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#include <bits/stdc++.h> using namespace std; ///* input vector */ //template <typename T> //istream& operator >>(istream& in, vector<T>& v) { // for (size_t i=0; i<v.size(); ++i) { // in >> v[i]; // } // return in; //} ///* output vector */ //template <typename T> //ostream& operator <<(ostream& out, vector<T>& v) { // string sep = ""; // for (size_t i=0; i<v.size(); ++i, sep=" ") { // out << sep << v[i]; // } // return out; //} /* shortcuts */ #define all(v) begin(v),end(v) #define rep(i,n) for(int i=0; i<n; ++i) #define endl '\n' /* data types shortened */ using ll = long long; using ull = unsigned long long; using uint = unsigned int; int main() { #define ONLINE_JUDGE #ifndef ONLINE_JUDGE freopen("Input.txt", "r", stdin); //freopen("Output.txt", "w", stdout); //freopen("Eroor.txt", "w", stderr); #endif // ONLINE_JUDGE int n, q; cin >> n >> q; vector<ull> a(n); rep(i,n) cin >> a[i]; vector<ull> pre(n); // pre_sum: sum of nbr of included nbrs so far, index: zone rep(i,n) pre[i] = a[i]-i-1; while (q--) { ull k; cin >> k; int zone = lower_bound(all(pre), k) - pre.begin(); ull ans; if (zone == 0) ans = k; else ans = a[zone-1]+(k-pre[zone-1]); cout << ans << endl; } return 0; }
#include<bits/stdc++.h> using namespace std; int main() { int a,c,u; cin>>a>>c; for(int i=1;i<=a;i++) { cin>>u; if(u!=c) { cout<<u<<" "; } } return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; #define rep(i,n) for(int i=0;i<(n);i++) void chmax(ll& a, ll b) {if (b>a) a=b;} int main() { int N; cin >> N; vector<int> a(N), b(N); rep(i,N) cin >> a[i]; rep(i,N) cin >> b[i]; ll ans = 0, maxa = 0; rep(i,N) { chmax(maxa, a[i]); chmax(ans, maxa*b[i]); cout << ans << endl; } }
#include <bits/stdc++.h> #define rep(i,n) for(int i=0; i<(n); i++) using namespace std; int main() { long long N; cin >> N; vector<long long> A(N); map<long long,long long> mpA; rep(i,N) { cin >> A[i]; mpA[A[i]]++; } vector<pair<long long,long long>> B(N); rep(i,N) { B[i].first = A[i]; B[i].second = mpA[A[i]]; } sort(B.begin(), B.end()); long long ans = 0LL; ans = N * (N-1LL) / 2LL; rep(i,N) { if(i>0 && B[i].first==B[i-1].first) continue; else if(B[i].second>=2) { ans -= B[i].second * (B[i].second-1LL) / 2LL; } } cout << ans << endl; }
#include <algorithm> #include <iomanip> #include <iostream> #include <map> #include <unordered_map> #include <vector> using namespace std; #define MP make_pair #define PB push_back #define REP(i, L, R) for (int i = L; i < (R); ++i) #define SZ(x) (int)x.size() using ll = long long; using ld = long double; using pi = pair<int, int>; using pl = pair<ll, ll>; template <typename T> bool ckmin(T& a, const T& b) { return b < a ? a = b, 1 : 0; } template <typename T> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; } ll p[6] = {1, 10, 100, 1000, 10000, 100000}; ll score(const string& s, int d) { int f[10]; fill(f, f + 10, 0); ++f[d]; for (int i = 0; i < s.length() - 1; ++i) { f[s[i] - '0']++; } ll sum = 0; for (int i = 1; i <= 9; ++i) { sum += (ll)i * p[f[i]]; } return sum; } void solve() { int k; string s, t; cin >> k; cin >> s; cin >> t; int f[10]; fill(f, f + 10, 0); for (int i = 0; i < s.length() - 1; ++i) { f[s[i] - '0']++; } for (int i = 0; i < t.length() - 1; ++i) { f[t[i] - '0']++; } // map<pi, bool> w; unordered_map<int, bool> w; for (int i = 1; i <= 9; ++i) { for (int j = 1; j <= 9; ++j) { // (i,j) -> i*10+j w[i * 10 + j] = (score(s, i) > score(t, j)); } } ll cnt = 0; for (int i = 1; i <= 9; ++i) { ll remi = k - f[i]; if (remi <= 0) { continue; } for (int j = 1; j <= 9; ++j) { ll remj = k - f[j] - (i == j); if (remj <= 0) { continue; } if (w[i * 10 + j]) { cnt += remi * remj; } } } ld total = ((ld)9 * k - 8) * ((ld)9 * k - 9); cout << fixed << setprecision(14) << (ld)cnt / total << endl; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); int T = 1; while (T--) { solve(); } return 0; }
#include<bits/stdc++.h> using namespace std; using ll = int64_t; #define rep(i,n) for(int i=0; i<(n); i++) #define ALL(n) n.begin(), n.end() int main(){ ll a, b, k; cin >> a >> b >> k; // パスカルの三角形 vector<vector<ll>> p(60, vector<ll>(60)); p[0][0] = 1; for(int i=1; i<60; i++)for(int j=0; j<60; j++){ if(j == 0) p[i][j] = p[i-1][j]; else p[i][j] = p[i-1][j-1] + p[i-1][j]; } /** rep(i,10){ rep(j,10){ if(p[i][j] == 0) break; else cout << p[i][j] << " "; } cout << endl; } **/ string ans = ""; // 先頭がaの時、何通りあるか for(int i=a+b; 0<a+b; i--){ ll num = p[a+b-1][b]; //cout << num << endl; // 次の文字がbのとき if(k > num){ // 次の文字がbのとき ans += 'b'; k -= num; b--; }else{ // 次の文字がaのとき ans += 'a'; a--; } if(a == 0){ rep(j,b) ans += 'b'; break; }else if(b == 0){ rep(j,a) ans += 'a'; break; } } cout << ans << endl; }
#include <iostream> #include <algorithm> #include <vector> #include <string> #include <utility> #include <set> #include <map> #include <cmath> #include <queue> #include <cstdio> #include <limits> #include <stack> #define rep(i,n) for(int i = 0; i < n; ++i) #define rep1(i,n) for(int i = 1; i <= n; ++i) using namespace std; template<class T>bool chmax(T &a, const T &b) { if(a < b){ a = b; return 1; } return 0; } template<class T>bool chmin(T &a, const T &b) { if(a > b){ a = b; return 1; } return 0; } template<class T> inline int sz(T &a) { return a.size(); } using ll = long long; using ld = long double; using pi = pair<int,int>; using pl = pair<ll,ll>; using vi = vector<int>; using vvi = vector<vi>; using vl = vector<ll>; using vvl = vector<vl>; const int inf = numeric_limits<int>::max(); const ll infll = numeric_limits<ll>::max(); int main() { int n; cin >> n; vi a(2*n); rep(i,2*n) cin >> a[i]; vector<pi> p(2*n); rep(i,2*n) p[i] = {a[i], i}; sort(p.begin(),p.end()); vi b(2*n, 0); rep(i,n) { b[p[i].second] = 1; } vector<char> res(2*n); stack<pi> sta; rep(i,2*n) { if(!sta.empty()) { if(sta.top().first != b[i]) { res[sta.top().second] = '('; res[i] = ')'; sta.pop(); } else { sta.push({b[i], i}); } } else { sta.push({b[i], i}); } } rep(i,2*n) cout << res[i]; cout << "\n"; return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using P = pair<ll,ll>; #define rep(i,n) for(int (i)=0;(i)<(n);(i)++) #define rep2(i,m,n) for(int (i)=(m);(i)<(n);(i)++) #define ALL(obj) (obj).begin(), (obj).end() #define rALL(obj) (obj).rbegin(), (obj).rend() const ll INF = 1LL<<60;//1152921504606846976 const int mod = 1000000007; vector<vector<ll>> G; vector<bool> vis; vector<ll> dist; ll dmax, farnode; void dfs(ll r, ll d){ vis[r]=true; dist[r]=d; if(d>dmax){ dmax=d; farnode=r; } for(ll c:G[r])if(!vis[c])dfs(c,d+1); } ll u,v; vector<bool> st_has_v; void dfs_findv(ll r){ vis[r]=true; if(r==v)st_has_v[r]=true; for(ll c:G[r])if(!vis[c]){ dfs_findv(c); if(st_has_v[c])st_has_v[r]=true; } } ll now; vector<ll> label; void dfs_labelling(ll r){ vis[r]=true; label[r]=now; ll hasv = -1; for(ll c:G[r])if(!vis[c]){ if(st_has_v[c]){hasv=c;continue;} now++; dfs_labelling(c); now++; } if(hasv!=-1){ now++; dfs_labelling(hasv); now++; } } int main(){ ios::sync_with_stdio(false); cin.tie(0); ll n; cin>>n; G.resize(n); rep(i,n-1){ ll a,b;cin>>a>>b; a--;b--; G[a].push_back(b); G[b].push_back(a); } //直径と両端u,vを求める vis=vector<bool>(n,false); dist=vector<ll>(n,INF); dmax = 0; dfs(0,0); u = farnode; vis=vector<bool>(n,false); dist=vector<ll>(n,INF); dmax=0; dfs(u,0); v = farnode; ll R = dmax; //uからDFS、subtreeにvがあるか判定 vis=vector<bool>(n,false); st_has_v = vector<bool>(n,false); dfs_findv(u); //uからDFS、vがあるsubtreeは最後に回す //貪欲にラベルをつけていく vis=vector<bool>(n,false); label=vector<ll>(n); now=1; dfs_labelling(u); for(ll x:label)cout<<x<<" "; return 0; }
#include "bits/stdc++.h" using namespace std; using ll = long long; using pii = pair <int, int>; using pll = pair <ll, ll>; #define FIO() ios_base::sync_with_stdio(0);cin.tie(NULL); const ll inf = 9e18; int main() { FIO(); string atc = "atcoder"; int tc; cin >> tc; while (tc--) { string s; cin >> s; ll ans = inf; ll temp = 0; int m = min(atc.size(), s.size()); int n = s.size(); bool ok = true; for (int i = 0; i < m; i++) { if (s[i] > atc[i]) { ans = min(ans, temp); break; } for (int j = i + 1; j < n; j++) { if (s[j] > atc[i]) { ans = min(ans, temp + j - i); break; } } bool fnd = false; for (int j = i; j < n; j++) { if (s[j] != atc[i]) continue; fnd = true; while (s[i] != atc[i]) { swap(s[j], s[j - 1]); j--; temp++; } break; } if (!fnd) { ok = false; break; } } if (ok and m < s.size()) ans = min(ans, temp); if (ans == inf) ans = -1; cout << ans << '\n'; } }
#include <iostream> #include <cstdio> #include <string> #include <cstring> #include <deque> #include <list> #include <queue> #include <stack> #include <vector> #include <utility> #include <algorithm> #include <map> #include <set> #include <complex> #include <cmath> #include <limits> #include <climits> #include <ctime> #include <cassert> #include <numeric> #include <functional> #include <bitset> using namespace std; using lint = long long int; long long int INF = 1001001001001001LL; int inf = 1000000007; long long int MOD = 1000000007LL; double PI = 3.1415926535897932; template<typename T1,typename T2>inline void chmin(T1 &a,const T2 &b){if(a>b) a=b;} template<typename T1,typename T2>inline void chmax(T1 &a,const T2 &b){if(a<b) a=b;} #define ALL(a) a.begin(),a.end() #define RALL(a) a.rbegin(),a.rend() int main() { vector<int> cnt(10, 0); string s; cin >> s; for (auto c : s) { cnt[c - '0']++; } if (s.size() <= 5) { sort(ALL(s)); do { int num = stoi(s); if (num % 8 == 0) { cout << "Yes" << endl; return 0; } } while (next_permutation(ALL(s))); cout << "No" << endl; return 0; } for (int x = 104; x <= 999; x += 8) { vector<int> nums(10, 0); // cerr << "x = " << x << endl; int y = x; while (y) { // cerr << y % 10 << endl; nums[y % 10]++; y /= 10; } bool ok = true; for (int i = 0; i <= 9; i++) { if (cnt[i] < nums[i]) ok = false; } if (ok) { cerr << "x = " << x << endl; cout << "Yes" << endl; return 0; } } cout << "No" << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (ll i = 0; i < (n); i++) #define fore(i, a) for (auto &i : a) using ll = long long; typedef pair<ll, ll> pll; typedef vector<ll> vll; const ll INF = 1LL << 60; const ll mod = 1E9 + 7; ll gcd(ll a, ll b) { if (a < b) { ll temp = a; a = b; b = temp; } if (b == 0) return a; return gcd(b, a % b); } int main() { int N; cin >> N; vector<int> a = {2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47}; vector<int> x(N); rep(i, N) cin >> x[i]; ll ans = INF; for (int bit = 1; bit < (1 << 15); bit++) { ll temp = 1; rep(i, 15) { if (bit & (1 << i)) temp *= a[i]; } rep(i, N) { if (gcd(temp, x[i]) == 1) { temp = INF; break; } } ans = min(temp, ans); } cout << ans << endl; return 0; }
#include<bits/stdc++.h> #define ll long long int #define pi acos(-1) #define FAST() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL) using namespace std; ll mod=1000000007; bool sortBysec(pair<ll,ll>a,pair<ll,ll>b) { return a.second>b.second; } bool prime[2000010]; vector<ll>vv; void SieveOfEratosthenes(ll n) { memset(prime, true, sizeof(prime)); for (ll p=3; p*p<=n; p+=2) { if (prime[p] == true) { for (ll i=p*p; i<=n; i +=(2*p)) prime[i] = false; } } } ll binExp(ll a,ll n) { ll res=1; while(n) { if(n%2==1) { res=(res*a)%mod; n--; } else { a=(a*a)%mod; n=n/2; } } return res; } ll ncr(ll n,ll r) { if(r>n-r) { r=n-r; } ll i,j,ans=1; for(i=n,j=1; j<=r; j++,i--) { ans=((ans*i)%mod); ans=(ans*binExp(j,mod-2))%mod; } return ans; } ll power(ll n,ll m) { ll ans=1; while(m) { ans*=n; m--; } return ans; } ll digsum(ll n) { ll sum=0; while(n) { sum+=n%10; n=n/10; } return sum; } ll fact(ll n) { ll ans=1; for (ll i=1; i<=n; i++) { ans*=i; } return ans; } ll npr(ll n,ll r) { ll ans=1; for(ll i=n,j=1; j<=r; j++,i--) { ans=((ans%mod)*(i%mod))%mod; } return ans; } int main() { FAST(); ll t=1,i,m,n,j,k,x,y,p,c,d,q,a,b; //cin>>t; while(t--) { cin>>n; vector<ll>v,u,w; for(i=0;i<n;i++) { cin>>k; v.push_back(k); } map<ll,ll>mp; for(i=2;i<=25;i++) { mp[i*2]=1; } for(i=3;i<=50;i+=2) { if(mp[i]==0) { for(j=i*i;j<=50;j+=2*i) { mp[j]=1; } } } for(i=2;i<=50;i++) { if(mp[i]==0) { u.push_back(i); // cout<<i<<" "; } } // cout<<endl; map<ll,ll>mcp; for(i=0;i<u.size();i++) { ll cc=w.size(); for(j=0;j<cc;j++) { if(mcp[w[j]*u[i]]==0) { w.push_back(w[j]*u[i]); mcp[w[j]*u[i]]=1; } } if(mcp[u[i]]==0) { w.push_back(u[i]); mcp[u[i]]=1; } } // sort(w.begin(),w.end()); ll f,ans; for(i=0;i<w.size();i++) { f=0; for(j=0;j<v.size();j++) { if(__gcd(v[j],w[i])<=1) { f=1; break; } //cout<<__gcd(v[j],w[i])<<" "; } // cout<<endl; if(f==0) { ans=w[i]; break; } } cout<<ans<<endl; } return 0; } /* ❀(◕‿◕)❀ */
#include <iostream> #include <vector> //#include <string> #include <algorithm> //#include <math.h> //#include <queue> //#include <stack> //#include <iomanip> // sometimes used //#include <set> //#include <map> //#include <numeric> //#include <list> //#include <deque> //#include <unordered_map> typedef long long LL; //typedef long double LD; using namespace std; //#define MOD 1000000007 //#define MOD 998244353 //#define MAX 100100 //#define NIL -1 //#define INF 1000000000000000000 //const LL SEG_VAL = 1 << 19; LL modinv(LL a, LL m) { LL b = m, u = 1, v = 0; while (b) { LL t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } u %= m; if (u < 0){ u += m; } return u; } LL gcd(LL a, LL b){ LL tmp; if(a<b){ tmp = a; a = b; b = tmp; } tmp = a%b; while(tmp!=0){ a = b; b = tmp; tmp = a%b; } return b; } int main(){ LL t; cin >> t; vector<LL> n(t); vector<LL> s(t); vector<LL> k(t); for(LL i=0; i<t; i++){ cin >> n[i] >> s[i] >> k[i]; } for(LL i=0; i<t; i++){ s[i]=n[i]-s[i]; LL d=gcd(n[i], gcd(s[i], k[i])); n[i]/=d; s[i]/=d; k[i]/=d; if(gcd(k[i],n[i])!=1){ cout << -1 << endl; }else{ cout << (s[i]*modinv(k[i], n[i]))%n[i] << endl; } } return 0; }
#include <bits/stdc++.h> using namespace std; const int INF = 1e9 + 10; #define ll long long #define lowbit(i) ((i) & -(i)) ll exgcd(ll a, ll b, ll &x, ll &y) { if (!b) { x = 1, y = 0; return a; } ll gd = exgcd(b, a % b, y, x); y -= a / b * x; return gd; } void solve() { ll N, S, K; cin >> N >> S >> K; if (S % __gcd(K, N) == 0) { ll x, y; exgcd(N,K, x, y); ll o=S / __gcd(K, N); x*=o,y*=o; N/=__gcd(K, N); y=-y; y=(y%N+N)%N; cout <<y<<endl; } else cout << -1 << endl; } int main() { ios::sync_with_stdio(false); cin.tie(0); int T ; cin >>T; while (T--) { solve(); } }
#include <chrono> #include <thread> #include<bits/stdc++.h> #include <ext/pb_ds/tree_policy.hpp> #include <ext/pb_ds/assoc_container.hpp> using namespace std; using namespace __gnu_pbds; #define T top() #define E end() #define PS push #define Q queue #define PP pop() #define L0 (LL)0 #define V vector #define ST stack #define FI first #define MAX 4e18 #define MIN -MAX #define DQ deque #define SZ size() #define C clear() #define B begin() #define F front() #define SE second #define DL double #define G getline #define IN insert #define endl "\n" #define EM empty() #define cnn continue #define MD 1000000007 #define PSB push_back #define PI acos(-1.00) #define PPB pop_back() #define PSF push_front #define ub upper_bound #define lb lower_bound #define PPF pop_front() #define CF cout.flush() #define line cout<<endl #define LL long long int #define one cout<<1<<endl #define zer cout<<0<<endl #define PQ priority_queue #define kth find_by_order #define nil cout<<-1<<endl #define N cout<<"NO"<<endl #define NN cout<<"No"<<endl #define Y cout<<"YES"<<endl #define fndidx order_of_key #define YY cout<<"Yes"<<endl #pragma GCC optimize("Ofast") #pragma GCC target("avx,avx2,fma") #define MAU cout<<"Case "<<mau<<": " #define SP(pre) fixed<<setprecision(pre) #pragma GCC optimization ("unroll-loops") #define MMAU cout<<"Case "<<mau<<":"<<endl #define __lcm(A1,A2) (A1/(__gcd(A1,A2)))*A2 #define FAST ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL) #define file freopen("input.txt","r",stdin);freopen("output.txt","w",stdout) #define UOSMOY v.C;w.C;ww.C;uu.C;uo.C;vo.C;vu.C;ab.C;bc.C;cc.C;uuu.C;a.C;b.C;c.C;u.C typedef tree<LL, null_type, less<LL>, rb_tree_tag, tree_order_statistics_node_update> ordered_set; #define remembermeforcenturies using namespace std::chrono_literals;std::this_thread::sleep_for(-4611686018427387904ms); V<LL>v,w,ab,bc; set<LL>uo; map<LL,LL>ww,cc,u; V<pair<LL,LL> >uu,su; map<LL,V<LL> >uuu; map<pair<LL,LL>,LL> vo,vu; map<LL,pair<LL,pair<LL,LL > > > vs; priority_queue<LL,V<LL>,greater<LL> > moy; LL dx[]= {-1,0,1,0,1,1,-1,-1}; LL dy[]= {0,1,0,-1,-1,1,1,-1}; LL dxx[]= {2,1,-1,-2,-2,-1,1,2}; LL dyy[]= {1,2,2,1,-1,-2,-2,-1}; LL dp[101][10001]; LL ar[10][10]; int main() { // BRR; // file; FAST; char ch; string a,b,c; DL x,y,d,e,f,g,h; LL n,i,j,k,p,q,o,l,s,tt=1,m,t,z,aa,r=0; // cin>>tt; for(LL mau=1; mau<=tt; mau++) { UOSMOY; ordered_set os; remembermeforcenturies; cin>>n; k=0; l=0; for(i=1; ;i++) { l+=i; k++; if(l>=n) { cout<<k<<endl; break; } } } return 0; //IN //AL }
/************************************************************************* > File Name: 1.cpp > Author: Knowledge_llz > Mail: 925538513@qq.com > Blog: https://blog.csdn.net/Pig_cfbsl > Created Time: 2020/10/11 22:45:26 ************************************************************************/ #include<bits/stdc++.h> #define For(i,a,b) for(register int i=(a);i<=(b);++i) #define pb push_back #define pr pair<int,int> #define fi first #define se second #define LL long long #define mk(a,b) make_pair(a,b) using namespace std; int read(){ char x=getchar(); int u=0,fg=0; while(!isdigit(x)){ if(x=='-') fg=1; x=getchar(); } while(isdigit(x)){ u=(u<<3)+(u<<1)+(x^48); x=getchar(); } return fg?-u:u; } const int maxx=1e5+10; int n,m,sum=0,cnt=0,mx,ans=1e9; int w[10],tmp[10],s[10],dis[10],v[maxx],l[maxx]; int p[10]={0,1,2,3,4,5,6,7,8}; pr a[maxx]; bool cmp(pr x,pr y){ if(x.fi!=y.fi) return x.fi<y.fi; return x.se>y.se; } int iso(int x){ x=lower_bound(v+1,v+cnt+1,x)-v-1; return l[x]; } int solve(){ s[0]=0; For(i,1,n){ tmp[i]=w[p[i]]; s[i]=s[i-1]+tmp[i]; dis[i]=0;} For(i,2,n) For(j,1,i-1){ dis[i]=max(dis[i],dis[j]+iso(s[i]-s[j-1])); if(dis[i]>=ans) return dis[i]; } return dis[n]; } int main() { #ifndef ONLINE_JUDGE freopen("input.in", "r", stdin); freopen("output.out", "w", stdout); #endif int u1,u2; n=read(); m=read(); For(i,1,n){ w[i]=read(); mx=max(w[i],mx);} For(i,1,m){ u1=read(); u2=read(); a[i]=mk(u2,u1); if(u2<mx){ printf("-1\n"); return 0; } } sort(a+1,a+m+1,cmp); v[++cnt]=a[1].fi; l[cnt]=a[1].se; For(i,2,m) if(a[i].se>l[cnt]){ v[++cnt]=a[i].fi; l[cnt]=a[i].se; } do{ ans=min(ans,solve()); }while(next_permutation(p+1,p+n+1)); printf("%d\n",ans); return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair<ll, ll> l_l; typedef pair<int, int> i_i; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define EPS (1e-7) #define INF (1e9) #define PI (acos(-1)) const ll mod = 1000000007; int main() { int N; cin >> N; vector<bool> memo(222222, false); int ans = 0; rep(i, N) { int p; cin >> p; memo[p] = true; while(true){ if(!memo[ans]){ cout << ans << endl; break; } ans++; } } return 0; }
#include<iostream> #include<algorithm> #include<vector> #include<cmath> #include<unordered_map> using namespace std; #define max(a,b) (((a) > (b)) ? (a) : (b)) #define min(a,b) (((a) < (b)) ? (a) : (b)) const double pi = acos(-1); const int N = 2e5 + 100; const int mod = 1e9 + 7; typedef long long ll; template<typename T> inline void read(T &x) { x = 0; int w = 1; char ch = 0; while (ch < '0' || ch > '9') { if (ch == '-') w = -1; ch = getchar(); } while (ch >= '0' && ch <= '9') { x = (x << 1) + (x << 3) + (ch - 48); ch = getchar(); } x *= w; } int p[N],a[N],t[N]{0}, x = 0; void qwq() { int n; cin >> n; for (int i = 1; i <= n; ++i){ scanf("%d",&p[i]); t[p[i]] = 1; while(t[x]) x++; a[i] = x; } for(int i = 1; i <= n; ++i){ printf("%d\n", a[i]); } } int main() { int _ = 1; //read(_); while (_--) qwq(); return 0; }
#include <iostream> #include <vector> #include <string> #include <algorithm> #include <cmath> #include <iomanip> #include <list> #include <cstring> #include <map> #include <set> #define ll long long #define mod 1000000007 #define pi 3.141592653589 #define fastio ios_base::sync_with_stdio(false); cin.tie(NULL); using namespace std; int main(){ int n; cin>>n; vector<int> v(n); for(int i{};i<n;i++) cin>>v.at(i); vector<int> par(200001,-1); vector<int> count(200001,0); for(int i{};i<n;i++){ if(v.at(i)==v.at(n-1-i)) continue; else{ int f=v.at(i); int l=v.at(n-1-i); if(par[f]==-1&&par[l]==-1){ par[f]=f; par[l]=f; } else if(par[f]!=-1&&par[l]==-1) par[l]=par[f]; else if(par[f]==-1&&par[l]!=-1) par[f]=par[l]; else{ int j{f},k{l}; while(par[j]!=j){ par[j]=par[par[j]]; j=par[j]; } while(par[k]!=k){ par[k]=par[par[k]]; k=par[k]; } par[k]=par[j]; } } } for(int i{};i<200001;i++){ if(par.at(i)==-1) continue; else{ int j=i; while(par[j]!=j){ par[j]=par[par[j]]; j=par[j]; } count.at(j)++; } } int ans{}; for(int i{};i<200001;i++){ if(count.at(i)==0) continue; ans+=count.at(i)-1; } cout<<ans<<endl; }
#include <stdio.h> #include <map> int x[100010],y[100010]; int type[100010]; std::map<int,int> check; int main() { int a,b; scanf("%d%d",&a,&b); for(int i=1;i<=a;i++) scanf("%d",&x[i]); for(int i=1;i<=a;i++) scanf("%d",&y[i]); x[0] = 0, y[0] = 0; x[a+1] = b+1, y[a+1] = b+1; for(int i=1;i<=a;i++) { if(x[i]>y[i]) type[i] = 1; // << if(x[i]==y[i]) type[i] = 2; // -- if(x[i]<y[i]) type[i] = 3; // >> } for(int i=1;i<a;i++) { if(type[i]==3&&type[i+1]==1) { printf("-1"); return 0; } } // x[j] +(i-j) == y[i] long long int ans = 0; check[0] = 0; for(int i=1;i<=a;i++) { if(type[i]==1) { if(check.find(y[i]-i)==check.end()) { printf("-1"); return 0; } if(y[i-1]==y[i]-1) ans++; else { int k = check[y[i]-i]; ans += (i-k); } check[x[i]-i] = i; } else if(type[i]==2) { check.clear(); check[x[i]-i] = i; } } check.clear(); //x[j] - (j-i) == y[i] check[(b+1)-(a+1)] = a+1; for(int i=a;i>=1;i--) { if(type[i]==3) { if(check.find(y[i]-i)==check.end()) { printf("-1"); return 0; } if(y[i+1]==y[i]+1) ans++; else { int k = check[y[i]-i]; ans += (k-i); } check[x[i]-i] = i; } else if(type[i]==2) { check.clear(); check[x[i]-i] = i; } } printf("%lld",ans); }
//fake_name #include<bits/stdc++.h> #define int long long using namespace std ; #define F first #define S second int MOD = 998244353 ; int mod = 1e9 + 7 ; string s[2005] ; int vis[2005][2005] ; int n , m ; int check( int i , int j ) { if( i >= n || j >= m || i < 0 || j < 0 ) return 0 ; if( vis[i][j] || s[i][j] == '#' ) return 0 ; return 1 ; } signed main() { ios_base::sync_with_stdio(false) ; cin.tie(0) ; cout.tie(0) ; cin >> n >> m ; for( int i = 0 ; i < n ; i++ ) cin >> s[i] ; vector<pair<int,int> > adj[30] ; pair<int,int> start , end ; for( int i = 0 ; i < n ; i++ ){ for( int j = 0 ; j < m ; j++ ){ if( s[i][j] == '.' || s[i][j] == '#' ) continue ; if( s[i][j] == 'S' ) start = { i , j } ; else if( s[i][j] == 'G' ) end = { i , j } ; else{ //cout << s[i][j] << endl ; adj[s[i][j]-'a'].push_back( { i , j } ) ; } } } queue<pair<int,int> > q ; q.push(start) ; vis[start.F][start.S] = 1 ; int h[26] = {0} ; while( !q.empty() ){ pair<int,int> p = q.front() ; q.pop() ; int i = p.F , j = p.S ; if( check( i+1 , j )){ vis[i+1][j] = vis[i][j]+1 ; q.push( { i+1 , j } ) ; } if( check( i-1 , j ) ){ vis[i-1][j] = vis[i][j] + 1 ; q.push( { i-1 , j } ) ; } if( check( i , j+1 ) ){ vis[i][j+1] = vis[i][j] + 1 ; q.push( { i , j+1 } ) ; } if( check( i , j-1 ) ){ vis[i][j-1] = vis[i][j] + 1 ; q.push( { i , j-1 } ) ; } if( isalpha( s[i][j] ) && s[i][j] > 'Z' ){ //cout << s[i][j] << endl ; if( h[s[i][j]-'a' ] ) continue ; for( int k = 0 ; k < (int)adj[s[i][j] - 'a' ].size() ; k++ ){ if( check( adj[s[i][j] - 'a'][k].F , adj[s[i][j]-'a'][k].S) ){ vis[adj[s[i][j]-'a'][k].F][adj[s[i][j]-'a'][k].S] = vis[i][j]+1 ; q.push( adj[s[i][j]-'a'][k] ) ; } } h[s[i][j]-'a'] = 1 ; } } if( vis[end.F][end.S] == 0 ) cout << -1 ; else cout << vis[end.F][end.S] - 1 ; cerr << "Time elapsed : " << 1.0 * clock() / CLOCKS_PER_SEC << " sec \n"; }
#include <bits/stdc++.h> using namespace std; #define pb push_back #define all(x) (x).begin(),(x).end() #define SZ(x) ((int)(x).size()) #define REP(i,n) for(int _n=n, i=0;i<_n;++i) #define FOR(i,a,b) for(int64_t i=(a),_b=(b);i<=_b;++i) #define FORD(i,a,b) for(int64_t i=(a),_b=(b);i>=_b;--i) using ull = uint64_t; using ll = int64_t; using PII = pair<int, int>; using VI = vector<int>; string to_string(string s) { return '"' + s + '"'; } string to_string(const char* s) { return to_string((string) s); } string to_string(bool b) { return (b ? "true" : "false"); } template <typename A, typename B> string to_string(pair<A, B> p) { return "(" + to_string(p.first) + ", " + to_string(p.second) + ")"; } template <typename A> string to_string(A v) { bool first = true; string res = "{"; for (const auto &x : v) { if (!first) { res += ", "; } first = false; res += to_string(x); } res += "}"; return res; } void debug_out() { cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << " " << to_string(H); debug_out(T...); } #define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__) int main() { ios::sync_with_stdio(false); cin.tie(0); int h, w; cin >> h >> w; vector<string> grid(h); vector<VI> dp(h, VI(w, -1)); REP(i, h) cin >> grid[i]; queue<PII> Q; vector<vector<PII>> letters(26); REP(i, h) { REP(j, w) { if (grid[i][j] == 'S') { Q.push({i, j}); dp[i][j] = 0; } if (grid[i][j] >= 'a' && grid[i][j] <= 'z') { letters[grid[i][j] - 'a'].pb({i, j}); } } } vector<bool> F(26, false); int d1[4] = {1, -1, 0, 0}; int d2[4] = {0, 0, -1, 1}; while (!Q.empty()) { auto [r, c] = Q.front(); Q.pop(); if (grid[r][c] == 'G') { cout << dp[r][c] << "\n"; return 0; } if (grid[r][c] >= 'a' && grid[r][c] <= 'z' && !F[grid[r][c] - 'a']) { F[grid[r][c] - 'a'] = true; for (auto p : letters[grid[r][c] - 'a']) { if (p.first == r && p.second == c) continue; if (dp[p.first][p.second] != -1) continue; Q.push({p.first, p.second}); dp[p.first][p.second] = dp[r][c] + 1; } } FOR(i, 0, 3) { int rr = r + d1[i]; int cc = c + d2[i]; if (rr < 0 || rr >= h || cc < 0 || cc >= w) continue; if (grid[rr][cc] == '#') continue; if (dp[rr][cc] != -1) continue; dp[rr][cc] = dp[r][c] + 1; Q.push({rr, cc}); } } cout << "-1\n"; }
#pragma GCC optimize("Ofast") #include <iostream> // cout, endl, cin #include <string> // string, to_string, stoi #include <vector> // vector #include <algorithm> // min, max, swap, sort, reverse, lower_bound, upper_bound #include <utility> // pair, make_pair #include <tuple> // tuple, make_tuple #include <cstdint> // int64_t, int*_t #include <cstdio> // printf #include <map> // map #include <queue> // queue, priority_queue #include <set> // set #include <stack> // stack #include <deque> // deque #include <unordered_map> // unordered_map #include <unordered_set> // unordered_set #include <bitset> // bitset #include <cctype> // isupper, islower, isdigit, toupper, tolower #include <iomanip> // setprecision #include <complex> // complex #include <math.h> #include <cmath> #include <functional> #include <cassert> using namespace std; using ll = long long; using P = pair<ll,ll>; constexpr ll INF = 1e18; constexpr int inf = 1e9; constexpr double EPS = 1e-10; // constexpr ll mod = 1000000007; constexpr ll mod = 998244353; const int dx[8] = {1, 0, -1, 0,1,1,-1,-1}; const int dy[8] = {0, 1, 0, -1,1,-1,1,-1}; template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } const char eol = '\n'; // -------------------------------------------------------------------------- int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); int X,Y,Z; cin >> X >> Y >> Z; for(int i=1000000; i>=0; i--){ if(Y*Z > (ll)i*X){ cout << i << endl; return 0; } } return 0; }
#include <bits/stdc++.h> using namespace std; int main(){ char a,b,c; cin >> a >> b >>c; if (a == b && b == c){ cout << "Won"; }else { cout<< "Lost"; } return 0; }
#include<bits/stdc++.h> //#include <atcoder/all> #define rep(i,n)for(int i=0;(i)<(int)(n);i++) #define REP(i,a,b)for(int i=(int)(a);(i)<=(int)(b);i++) #define ALL(a) (a).begin(),(a).end() #define pb push_back #define fi first #define se second #define sz(x) ((int)x.size()) using namespace std; //using namespace atcoder; using ld = long double; using ll = long long; using P = pair<ll, ll>; template<typename T> bool chmin(T& a, const T& b) { if(a >= b){ a = b; return 1;} return 0; } template<typename T> bool chmax(T& a, const T& b) { if(a <= b){ a = b; return 1;} return 0; } const ll MOD = 1e9 + 7; const ll INF = 1e9; int main(){ vector<int> a(3); rep(i, 3)cin >> a[i]; sort(ALL(a)); bool f = false; do{ if(a[1] - a[0] == a[2] - a[1])f = true; }while(next_permutation(ALL(a))); cout << (f ? "Yes" : "No") << endl; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; (i) < (int)(n); ++(i)) #define rep3(i, m, n) for (int i = (m); (i) < (int)(n); ++(i)) using namespace std; int64_t solve(int N, const vector<int64_t> &A) { vector<vector<int64_t>> DP(N, vector<int64_t>(N, INT64_MAX)); rep(l, N){ rep3(r, l, N){ if (l == r){ DP[l][r] = A[r]; }else{ DP[l][r] = min(DP[l][r-1], A[r]); } } } int64_t ans = INT64_MIN; rep(l, N){ rep3(r, l, N){ ans = max(ans, (r-l+1)*DP[l][r]); } } return ans; return 1; // TODO: edit here } // generated by online-judge-template-generator v4.7.1 (https://github.com/online-judge-tools/template-generator) int main() { std::ios::sync_with_stdio(false); std::cin.tie(nullptr); constexpr char endl = '\n'; int N; cin >> N; vector<int64_t> A(N); rep(i, N) { cin >> A[i]; } auto ans = solve(N, A); cout << ans << endl; return 0; }
#include<iostream> #include<string> #include<cstdio> #include<vector> #include<cmath> #include<algorithm> #include<functional> #include<iomanip> #include<queue> #include<ciso646> #include<random> #include<map> #include<set> #include<complex> #include<bitset> #include<stack> #include<unordered_map> #include<utility> #include<tuple> #include<cassert> using namespace std; typedef long long ll; typedef unsigned int ui; const ll mod = 998244353; const ll INF = (ll)1000000007 * 1000000007; typedef pair<int, int> P; #define stop char nyaa;cin>>nyaa; #define rep(i,n) for(int i=0;i<n;i++) #define per(i,n) for(int i=n-1;i>=0;i--) #define Rep(i,sta,n) for(int i=sta;i<n;i++) #define Per(i,sta,n) for(int i=n-1;i>=sta;i--) #define rep1(i,n) for(int i=1;i<=n;i++) #define per1(i,n) for(int i=n;i>=1;i--) #define Rep1(i,sta,n) for(int i=sta;i<=n;i++) typedef long double ld; const ld eps = 1e-8; const ld pi = acos(-1.0); typedef pair<ll, ll> LP; int dx[4]={1,-1,0,0}; int dy[4]={0,0,1,-1}; template<class T>bool chmax(T &a, const T &b) {if(a<b){a=b;return 1;}return 0;} template<class T>bool chmin(T &a, const T &b) {if(b<a){a=b;return 1;}return 0;} template<int mod> struct ModInt { long long x; static constexpr int MOD = mod; ModInt() : x(0) {} ModInt(long long y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {} explicit operator int() const {return x;} ModInt &operator+=(const ModInt &p) { if((x += p.x) >= mod) x -= mod; return *this; } ModInt &operator-=(const ModInt &p) { if((x += mod - p.x) >= mod) x -= mod; return *this; } ModInt &operator*=(const ModInt &p) { x = (int)(1LL * x * p.x % mod); return *this; } ModInt &operator/=(const ModInt &p) { *this *= p.inverse(); return *this; } ModInt operator-() const { return ModInt(-x); } ModInt operator+(const ModInt &p) const { return ModInt(*this) += p; } ModInt operator-(const ModInt &p) const { return ModInt(*this) -= p; } ModInt operator*(const ModInt &p) const { return ModInt(*this) *= p; } ModInt operator/(const ModInt &p) const { return ModInt(*this) /= p; } ModInt operator%(const ModInt &p) const { return ModInt(0); } bool operator==(const ModInt &p) const { return x == p.x; } bool operator!=(const ModInt &p) const { return x != p.x; } ModInt inverse() const{ int a = x, b = mod, u = 1, v = 0, t; while(b > 0) { t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } return ModInt(u); } ModInt power(long long n) const { ModInt ret(1), mul(x); while(n > 0) { if(n & 1) ret *= mul; mul *= mul; n >>= 1; } return ret; } ModInt power(const ModInt p) const{ return ((ModInt)x).power(p.x); } friend ostream &operator<<(ostream &os, const ModInt<mod> &p) { return os << p.x; } friend istream &operator>>(istream &is, ModInt<mod> &a) { long long x; is >> x; a = ModInt<mod>(x); return (is); } }; using modint = ModInt<mod>; int n,k; modint dp[3010][3010]; bool visited[3010][3010]; modint get_dp(int i,int j){ //cout << i << " " << j << endl; if(i<j) return 0; if(min(i,j)<0) return 0; if(visited[i][j]) return dp[i][j]; visited[i][j]=true; dp[i][j]=get_dp(i-1,j-1)+get_dp(i,2*j); return dp[i][j]; } void solve(){ cin >> n >> k; visited[0][0]=true; dp[0][0]=1; cout << get_dp(n,k) << endl; } int main(){ ios::sync_with_stdio(false); cin.tie(0); cout << fixed << setprecision(50); solve(); }
#include <bits/stdc++.h> using namespace std; //gcd int gcd (int a, int b) { return b ? gcd (b, a % b) : a; } //lcm int lcm (int a, int b) { return a / gcd(a, b) * b; } //faster gcd int fgcd(int a, int b) { if (!a || !b) return a | b; unsigned shift = __builtin_ctz(a | b); a >>= __builtin_ctz(a); do { b >>= __builtin_ctz(b); if (a > b) swap(a, b); b -= a; } while (b); return a << shift; } void solve() { int a,b; cin>>a; cin>>b; int total=2*a+100; int remain=total-b; cout<<remain; } int main() { solve(); return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<ll,ll> P; int main(){ ll n,k; cin >> n >> k; string s; cin >> s; for(ll i=0;i<k;i++){ string t=s+s; for(ll j=0;j<n;j++){ if(t[j*2]=='R'&&t[j*2+1]=='R') s[j]='R'; else if(t[j*2]=='R'&&t[j*2+1]=='S') s[j]='R'; else if(t[j*2]=='S'&&t[j*2+1]=='R') s[j]='R'; else if(t[j*2]=='S'&&t[j*2+1]=='R') s[j]='R'; else if(t[j*2]=='P'&&t[j*2+1]=='P') s[j]='P'; else if(t[j*2]=='R'&&t[j*2+1]=='P') s[j]='P'; else if(t[j*2]=='P'&&t[j*2+1]=='R') s[j]='P'; else if(t[j*2]=='S'&&t[j*2+1]=='S') s[j]='S'; else if(t[j*2]=='P'&&t[j*2+1]=='S') s[j]='S'; else if(t[j*2]=='S'&&t[j*2+1]=='P') s[j]='S'; } } cout << s[0] << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define _overload3(_1,_2,_3,name,...) name #define _rep(i,n) repi(i,0,n) #define repi(i,a,b) for(int i=int(a);i<int(b);++i) #define rep(...) _overload3(__VA_ARGS__,repi,_rep,)(__VA_ARGS__) #define LLMAX 9223372036854775807 #define ALL(x) x.begin(),x.end() using ll = int64_t; using vl = vector<ll>; template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } //int の最大値 2147483647≒10^9 //long longの最大値 9,223,372,036,854,775,807≒10^18 int main() { ll a,b,c; cin >> a >> b >> c; string ans; if(a*a + b*b < c*c){ ans = "Yes"; }else{ ans = "No"; } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; #define rep(i, n) for (ll i = 0; i < (ll)(n); i++) #define repp(i, st, en) for (ll i = (ll)st; i < (ll)(en); i++) #define repm(i, st, en) for (ll i = (ll)st; i >= (ll)(en); i--) #define all(v) v.begin(), v.end() void chmax(ll &x, ll y) {x = max(x,y);} void chmin(ll &x, ll y) {x = min(x,y);} void Yes() {cout << "Yes" << endl; exit(0);} void No() {cout << "No" << endl; exit(0);} template<class in_Cout> void Cout(in_Cout x) {cout << x << endl; exit(0);} template<class in_vec_cout> void vec_cout(vector<in_vec_cout> vec) { for (in_vec_cout res : vec) {cout << res << " ";} cout << endl; } const ll inf = 1e18; const ll mod = 1e9 + 7; using matrix = vector<vector<ll>>; ll powmodp(ll x, ll n) { if (n==0) return 1; if (n%2) return x * powmodp(x,n-1) % mod; ll res = powmodp(x,n/2); return res * res % mod; } ll inv(ll x) {return powmodp(x,mod-2);} ll N, M, K; vector<ll> A, G[110]; ll p, half; matrix E(ll n) { matrix res(n,vector<ll>(n)); rep(i,n) res[i][i] = 1; return res; } void addmodp(ll &x, ll y) {x = (x + y) % mod;} matrix prodmatrix(matrix x, matrix y) { ll H = x.size(), W = y[0].size(), sz = y.size(); matrix res(H,vector<ll>(W)); rep(i,H) rep(j,W) rep(k,sz) { addmodp(res[i][j], x[i][k] * y[k][j] % mod); } return res; } vector<ll> prodmatrix(matrix x, vector<ll> y) { matrix z(y.size(),vector<ll>(1)); rep(i,y.size()) z[i][0] = y[i]; matrix tmp = prodmatrix(x,z); vector<ll> res(tmp.size()); rep(i,tmp.size()) res[i] = tmp[i][0]; return res; } vector<ll> prodmatrix(vector<ll> x, matrix y) { matrix z(1,vector<ll>(x.size())); rep(i,x.size()) z[0][i] = x[i]; matrix tmp = prodmatrix(z,y); vector<ll> res(tmp[0].size()); rep(i,tmp[0].size()) res[i] = tmp[0][i]; return res; } matrix powmodp(matrix x, ll n) { if (n==0) return E(x.size()); if (n%2) return prodmatrix(x,powmodp(x,n-1)); matrix res = powmodp(x,n/2); return prodmatrix(res,res); } void init() { cin >> N >> M >> K; A.resize(N); rep(i,N) cin >> A[i]; rep(i,M) { ll x, y; cin >> x >> y; x--; y--; G[x].push_back(y); G[y].push_back(x); } p = inv(M); half = inv(2); } int main() { init(); matrix mat(N,vector<ll>(N)); rep(i,N) { ll cnt = G[i].size(); for (ll j : G[i]) mat[j][i] = p * half % mod; ll q = cnt * p % mod; q = q * half % mod; mat[i][i] = (1 + mod - q) % mod; } matrix F = powmodp(mat,K); vector<ll> res = prodmatrix(A,F); for (ll ans : res) cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; #pragma GCC optimize("Ofast") #pragma GCC target("avx,avx2,fma") #define F first #define S second #define all(x) begin(x), end(x) #define allr(x) rbegin(x), rend(x) using ll = long long; using ull = unsigned long long; using ld = long double; constexpr ll INF = 2e18; constexpr ld EPS = 1e-9; constexpr int MOD = 998244353; #define int long long // Custom hash map struct custom_hash { static uint64_t splitmix64(uint64_t x) { // http://xorshift.di.unimi.it/splitmix64.c x += 0x9e3779b97f4a7c15; x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9; x = (x ^ (x >> 27)) * 0x94d049bb133111eb; return x ^ (x >> 31); } size_t operator()(uint64_t x) const { static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count(); return splitmix64(x + FIXED_RANDOM); } }; // Use int type for keys template <typename T1, typename T2> using safe_map = unordered_map<T1, T2, custom_hash>; // Operator overloads // cin >> pair<T1, T2> template<typename T1, typename T2> istream& operator>>(istream &istream, pair<T1, T2> &p) { istream >> p.first >> p.second; return istream; } // cin >> vector<T> template<typename T> istream& operator>>(istream &istream, vector<T> &v) { for (auto &it : v) cin >> it; return istream; } // cout << pair<T1, T2> template<typename T1, typename T2> ostream& operator<<(ostream &ostream, const pair<T1, T2> &p) { ostream << p.first << " " << p.second; return ostream; } // cout << vector<T> template<typename T> ostream& operator<<(ostream &ostream, const vector<T> &c) { for (auto &it : c) cout << it << " "; return ostream; } // Utility functions template <typename T> void print(T &&t) { cout << t << "\n"; } template <typename T, typename... Args> void print(T &&t, Args &&... args) { cout << t << " "; print(forward<Args>(args)...); } template <typename T> int32_t size_i(T &container) { return static_cast<int32_t>(container.size()); } // Mathematical functions int GCD(int a, int b) { if (!b) return a; return GCD(b, a % b); } int LCM(int a, int b) { return (a * b) / GCD(a, b); } int modpow(ll x, int n, int m = MOD) { ll res = 1; while (n > 0) { if (n & 1) res = (res * x) % m; x = (x * x) % m; n >>= 1; } return res; } int binpow(int x, int n) { int res = 1; while (n > 0) { if (n & 1) res = res * x; x = (x * x); n >>= 1; } return res; } // @param m should be prime int modinv(int x, int m = MOD) { return modpow(x, m - 2, m); } // Flags to use: -std=c++17 -O2 -Wshadow -DLOCAL_PROJECT -D_GLIBCXX_DEBUG -D_GLIBCXX_DEBUG_PEDANTIC -fsanitize=address -fsanitize=undefined ////////////////////////////////// START CODE HERE ////////////////////////////////// void preSolve() { } void solve(int tc) { int r, x, y; cin >> r >> x >> y; ld d = sqrtl((ld)x * x + y * y); int di = (int)d; if (abs(di - d) <= 1e-6 && di % r == 0) return void(print(di / r)); int ans = d/ r; ans--; ans = max(0LL, ans); print(ans + 2); } int32_t main() { ios_base::sync_with_stdio(false); cin.tie(0); cout << setprecision(12) << fixed; preSolve(); int tests = 1; // cin >> tests; for (int t = 1; t <= tests; t++) solve(t); return 0; }
#include<iostream> #include<algorithm> #include<string> using namespace std; int main() { int h, w, x, y; cin >> h >> w >> x >> y; string s[101]; for (int i = 1; i <= h; i++) cin >> s[i]; int sum = 0; for (int i = y - 1; i >= 0; i--) { if (s[x][i] == '.') sum++; else break; } for (int i = y; i < w; i++) { if (s[x][i] == '.') sum++; else break; } for (int i = x - 1; i > 0; i--) { if (s[i][y - 1] == '.') sum++; else break; } for (int i = x + 1; i <= h; i++) { if (s[i][y - 1] == '.') sum++; else break; } cout << sum << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) using ll = long long; using P =pair<int,int>; int main (){ int H,W,X,Y,count=0; cin >>H>>W>>X>>Y; vector<vector<char>> det(H,vector<char>(W)); rep(i,H){ rep(j,W){ cin >>det.at(i).at(j); } } if(det.at(X-1).at(Y-1)=='#'){ cout <<0; return 0; } count++; for(int i=1;;i++){ if(X-1-i<0) break; if(det.at(X-1-i).at(Y-1)=='#') break; count++; } for(int i=1;;i++){ if(Y-1-i<0) break; if(det.at(X-1).at(Y-1-i)=='#') break; count++; } for(int i=1;;i++){ if(X-1+i>H-1) break; if(det.at(X-1+i).at(Y-1)=='#') break; count++; } for(int i=1;;i++){ if(Y-1+i>W-1) break; if(det.at(X-1).at(Y-1+i)=='#') break; count++; } cout<<count; }
#include <bits/stdc++.h> using namespace std; #define all(v) (v).begin(),(v).end() #define REP(i,m,n) for(int i=(int)(m) ; i < (int) (n) ; ++i ) #define rep(i,n) REP(i,0,n) using ll = long long; using vi = vector<int>; using vll = vector<ll>; using vvi=vector<vi>; constexpr int inf=1e9+7; constexpr ll longinf=1LL<<60 ; constexpr ll mod=1e9+7 ; int main(){ int n,m; cin>>n>>m; vi a(m),b(m); vvi g(n); rep(i,m){ cin>>a[i]>>b[i]; a[i]--;b[i]--; g[a[i]].push_back(b[i]); g[b[i]].push_back(a[i]); } int K;cin>>K; vi c(K); rep(i,K){ cin>>c[i]; c[i]--; } //cout<<1; vvi dist(K,vi(n,inf)); rep(i,K){ queue<int>q; q.push(c[i]); dist[i][c[i]]=0; while(q.size()){ int u=q.front();q.pop(); for(auto v:g[u]){ if(dist[i][v]>dist[i][u]+1){ dist[i][v]=dist[i][u]+1; q.push(v); } } } } //cout<<dist[0][1]; vvi dp(1<<K,vi(K,inf)); rep(i,1<<K){ int cnt=0,memo=-1; rep(j,K){ if(i & (1<<j)){ cnt++; memo=j; } } if(cnt==1)dp[i][memo]=1; rep(t,K){ rep(j,K){ dp[i|(1<<j)][t]=min(dp[i|(1<<j)][t], dp[i][j]+dist[j][c[t]]); } } } int ans=inf; rep(i,K){ ans=min(ans,dp[(1<<K)-1][i]); } if(ans==inf)cout<<-1; else cout<<ans; }
#include <bits/stdc++.h> using namespace std; //#include <atcoder/all> //using namespace atcoder; #define rep(i,n) for (int i = 0; i < (n); ++i) #define rep1(i,n) for (int i = 1; i <= (n); ++i) #define bit(n,k) ((n>>k)&1) //nのk bit目 using ll = long long; using P = pair<int,int>; template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } const ll llINF = 1LL << 60; const int iINF = 1e9; //---main--------------------------------------------- int main(){ //main int A,B; cin >> A >> B; int sa=0,sb=0; rep(i,3){ sa += A%10; A /=10; sb += B%10; B /= 10; } if(sa>=sb) cout << sa << endl; else cout << sb << endl; return 0; }
#ifdef _DEBUG #include "../../../library/src/debug_template.hpp" #define DMP(...) dump(#__VA_ARGS__, __VA_ARGS__) #else #define DMP(...) ((void)0) #endif #include <cassert> #include <cstdio> #include <cmath> #include <iostream> #include <iomanip> #include <string> #include <vector> #include <set> #include <map> #include <unordered_map> #include <queue> #include <numeric> #include <algorithm> #include <bitset> #include <variant> using namespace std; using lint = long long; constexpr int INF = 1010101010; constexpr lint LINF = 1LL << 60; struct init { init() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(10); } } init_; template<class T> vector<T> make_vec(size_t s, T val) { return vector<T>(s, val); } template<class... Size> auto make_vec(size_t s, Size... tail) { return vector<decltype(make_vec(tail...))>(s, make_vec(tail...)); } template<const int &Modulo> struct Mint { lint val; constexpr Mint(lint v = 0) noexcept: val(v % Modulo) { if (val < 0) val += Modulo; } constexpr Mint &operator+=(const Mint &r) noexcept { val += r.val; if (val >= Modulo) val -= Modulo; return *this; } constexpr Mint &operator-=(const Mint &r) noexcept { val -= r.val; if (val < 0) val += Modulo; return *this; } constexpr Mint &operator*=(const Mint &r) noexcept { val = val * r.val % Modulo; return *this; } constexpr Mint &operator/=(const Mint &r) noexcept { lint a{r.val}, b{Modulo}, u{1}, v{0}; while (b) { lint t = a / b; a -= t * b; a ^= b, b ^= a, a ^= b; u -= t * v; u ^= v, v ^= u, u ^= v; } assert(a == 1); val = val * u % Modulo; if (val < 0) val += Modulo; return *this; } constexpr Mint operator+(const Mint &r) const noexcept { return Mint(*this) += r; } constexpr Mint operator-(const Mint &r) const noexcept { return Mint(*this) -= r; } constexpr Mint operator*(const Mint &r) const noexcept { return Mint(*this) *= r; } constexpr Mint operator/(const Mint &r) const noexcept { return Mint(*this) /= r; } constexpr Mint operator-() const noexcept { return Mint(-val); } constexpr bool operator==(const Mint &r) const noexcept { return val == r.val; } constexpr bool operator!=(const Mint &r) const noexcept { return !((*this) == r); } constexpr bool operator<(const Mint &r) const noexcept { return val < r.val; } constexpr friend ostream &operator<<(ostream &os, const Mint<Modulo> &x) noexcept { return os << x.val; } constexpr friend istream &operator>>(istream &is, Mint<Modulo> &x) noexcept { lint tmp{}; is >> tmp; x = Mint(tmp); return is; } [[nodiscard]] constexpr Mint pow(lint n) const noexcept { Mint res{1}, tmp{*this}; while (n > 0) { if (n & 1) res *= tmp; tmp *= tmp; n >>= 1; } return res; } }; constexpr int MOD = 7; using mint = Mint<MOD>; int main() { int N; cin >> N; string S, X; cin >> S >> X; auto memo = make_vec(N, 7, -1); auto dfs = [&](auto &&f, const int &i, const mint &m) -> bool { if (i == N) return m == 0; if (memo[i][m.val] != -1) return memo[i][m.val]; if (X[i] == 'T') { return (memo[i][m.val] = f(f, i + 1, m * 10 + (S[i] - '0')) || f(f, i + 1, m * 10)); } else { return (memo[i][m.val] = f(f, i + 1, m * 10 + (S[i] - '0')) && f(f, i + 1, m * 10)); } }; if (dfs(dfs, 0, 0)) cout << "Takahashi\n"; else cout << "Aoki\n"; return 0; }
#include<bits/stdc++.h> #define ll long long int #define mp make_pair #define pii pair<int,int> #define pll pair<long long int,long long int> #define mii map<int,int> #define mll map<long long int,long long int> #define rep(it,m) for(auto it=m.begin();it!=m.end();it++) #define pb push_back #define fr first #define sc second #define mod 1000000007LL #define setbiti(x) __builtin_popcount(x) #define setbitll(x) __builtin_popcountll(x) #define vi vector<int> #define vll vector<long long int> #define f(i,x,n) for(ll i=x;i<n;i++) #define l(i,a,b) for(ll i=a;i>b;i--) #define w(x) int x; cin>>x; while(x--) #define all(x) x.begin(),x.end() #define fill(a,x) memset(a,x,sizeof(a)) #define pie 3.14159265 using namespace std; void fio() { #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); } ll bpow(ll a, ll b, ll m) { if (b == 0) { return 1; } if (b == 1) { return a % m; } if (b & 1) { return (a * bpow(a, b - 1, m)) % m; } ll x = bpow(a, b / 2, m); return (x * x) % m; } int main() { fio(); ll n, m; cin >> n >> m; ll ans = bpow(10, n, m * m); ans = (ans / m) % m; cout << ans << endl; return 0; }
#include<iostream> #include<vector> #include<algorithm> #include<string> #include<queue> using namespace std; #define int long long #define rep(i,n) for(int i=0;i<n;++i) #define rep1(i,n) for(int i=1;i<=n;++i) signed main(){ int n,k,m;cin>>n>>k>>m; vector<int> a(n,0); rep(i,n-1)cin>>a[i]; int sum=0; rep(i,n-1){ sum+=a[i]; } bool tag=false; int ans=n*m-sum; if(ans>k){ tag=true; } if(ans<0)ans=0; if(tag)ans=-1; cout<<ans<<endl; return 0; }
#include <iostream> using namespace std; int main() { int n,k,m,x,y=0,z; cin>>n>>k>>m; int a[100]; x=m*n; for(int i=0; i<n-1; i++) { cin>>a[i]; y=y+a[i]; } z=x-y; if(k>=z && z>0) { cout<<z<<endl; }else if(k<z){ cout<<"-1"<<endl; }else{ cout<<"0"<<endl; } }
#include<bits/stdc++.h> using namespace std; int main(){ long long n,x; cin>>n>>x; string s; cin>>s; int m= s.length(); for(int i=0; i<m;++i){ if(x==0 && s[i]== 'x'){ x+=0; } else if (s[i]== 'x'){ x--; } else{ x++; } } cout<<x; }
#include<cstdio> inline int in(); inline void wr(int); inline int mx(int,int); int main(int argc,char**argv){ register int n=in(),x=in(); while(n--){ register char c=getchar(); while(c!='o'&&c!='x')c=getchar(); if(c=='x')x=mx(0,x-1); else ++x; } wr(x),putchar('\n'); } inline int mx(int x,int y){ return x>y?x:y; } inline int in(){ register char c=getchar(); register int x=0,f=1; for(;c<'0'||c>'9';c=getchar()) if(c=='-')f=-1; for(;c>='0'&&c<='9';c=getchar()) x=(x<<1)+(x<<3)+(c&15); return x*f; } inline void wr(int x){ if(x<0)putchar('-'),x=-x; if(x/10)wr(x/10); putchar(x%10+'0'); }
#include <bits/stdc++.h> #define ls rt << 1 #define rs rt << 1|1 #define lson ls,l,m #define rson rs,m+1,r #define st first #define ed second #define Point pair<int,int> typedef long long ll; using namespace std; const int N = 1e6+5; const int PI = 314; int main(){ ll n,k; scanf("%lld%lld",&n,&k); n += 100; ll l = 1ll,r = 2e12; while(l < r){ ll m = (l+r+1) >> 1; ll t = m*n/100ll; if((t-m) < k) l = m; else r = m-1; } printf("%lld\n",(l*n)/100ll+1ll); return 0; }
#include <bits/stdc++.h> using namespace std; #define endl '\n' #define pii pair <int, int> #define pb push_back #define F first #define S second #define ll long long #define io ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0) #define M_PI 3.14159265358979323846 const int N = 100005; const int mod = 1e9 + 7; int main() { io; int t; cin >> t; while(t--){ ll l, r; cin >> l >> r; ll k = r - l - l + 1; k = max(k, 0ll); k = k * (k + 1) / 2; cout << k << endl; } }
#include <cstdio> int main() { int n, k, f1, r1; scanf("%d%d", &n, &k); r1=(1+k)*k*n/2; f1=(1+n)*n*k/2; printf("%d\n", f1*100+r1); return 0; }
#pragma GCC optimize("Ofast") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,fma") #pragma GCC optimize("unroll-loops") #include <bits/stdc++.h> #include <complex> #include <queue> #include <set> #include <unordered_set> #include <list> #include <chrono> #include <random> #include <iostream> #include <algorithm> #include <cmath> #include <string> #include <vector> #include <map> #include <unordered_map> #include <stack> #include <iomanip> #include <fstream> using namespace std; typedef long long ll; typedef long double ld; ll MOD = 1e9 + 7; double eps = 1e-12; #define ln "\n" #define dbg(x) cout << #x << " = " << x << ln #define mp make_pair #define pb push_back #define fi first #define se second #define INF 2e18 #define fast_cin() \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); \ cout.tie(NULL) #define all(x) (x).begin(), (x).end() #define sz(x) ((ll)(x).size()) void solve() { int n, k, digit = 0; cin >> n >> k; ll sum = 0; for (int i = 1; i <= n; i++) { for (int j = 1; j <= k; j++) { digit = i * 100 + j; sum += digit; } } cout << sum << endl; } int main() { fast_cin(); solve(); return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using Graph = vector<vector<int>>; using WGraph = vector<vector<pair<int, ll>>>; template<class T>inline bool chmax(T &a, const T &b) { if (b > a) { a = b; return true; } return false; } template<class T>inline bool chmin(T &a, const T &b) { if (b < a) { a = b; return true; } return false; } constexpr int INF = 1e9; constexpr long long LINF = 1e18; constexpr double EPS = 1e-10; constexpr double PI = M_PI; char win(char c1, char c2) { if (c1 > c2) swap(c1, c2); if (c1 == c2) return c1; if (c1 == 'P' && c2 == 'R') return 'P'; else if (c1 == 'P' && c2 == 'S') return 'S'; else if (c1 == 'R' && c2 == 'S') return 'R'; } char dfs(int n, int k, const string &s) { map<char, int> mp; for (char c : s) ++mp[c]; if ((int)mp.size() == 1) { return s.front(); } else if ((int)mp.size() == 2) { return win(mp.begin()->first, (++mp.begin())->first); } else { int p2 = 0; while ((1<<(p2+1)) <= n) ++p2; if (k <= p2) { string ss = s.substr(0, 1<<k), tt = ""; while ((int)ss.size() > 1) { for (int i=0; i<(int)ss.size(); i+=2) tt.push_back(win(ss[i], ss[i+1])); ss = tt; tt = ""; } return ss.front(); } else { int sz = n * (1<<p2); string ss = ""; while ((int)ss.size() < sz) ss += s; string tt = ""; for (int i=0; i<n; ++i) { string sss = ss.substr(i*(1<<p2), 1<<p2), ttt = ""; while ((int)sss.size() > 1) { for (int i=0; i<(int)sss.size(); i+=2) ttt.push_back(win(sss[i], sss[i+1])); sss = ttt; ttt = ""; } tt.push_back(sss.front()); } return dfs(n, k-p2, tt); } } } void solve() { int n, k; string s; cin >> n >> k >> s; cout << dfs(n, k, s) << '\n'; } int main() { ios::sync_with_stdio(false); cin.tie(0); cout << fixed << setprecision(20); solve(); return 0; }
#include <iostream> #include <string> #include <vector> #include <set> #include <map> #include <queue> #include <stack> #include <algorithm> #include <math.h> #include <cassert> #define rep(i,n) for(int i = 0; i < n; ++i ) using namespace std; using ll = long long; int main() { int n,k; string s; cin >> n >> k >> s; auto f = [](char l,char r){ if(l=='R'&&r=='P') return r; if(l=='S'&&r=='R') return r; if(l=='P'&&r=='S') return r; return l; }; rep(_,k){ string t = s; s += s; rep(i,n) t[i] = f(s[2*i],s[2*i+1]); swap(s,t); } cout << s[0] << endl; }
#include <bits/stdc++.h> #define loop(s, e, i) for (int i = s; i < e; ++i) #define print(s) cout << s << endl; #define DIV 1000000007 #define ll long long using namespace std; const int INF = 1e9+7; /* 浮動小数点の入力 cout << fixed << setprecision(9) << endl; */ int main() { cin.tie(nullptr); ios::sync_with_stdio(false); ll A, B; cin >> A >> B; ll mx = 2*A+100; ll left = mx - B; if (left >= 0) { print(left); } else { print(0); } }
#include<bits/stdc++.h> using namespace std; int main() { long long int a,b; cin>>a>>b; cout<<((2*a)+100)-b<<endl; return 0; }
#include<iostream> #include<string> using namespace std; int main(){ int n,k; string s; char win[222][222]; win['R']['S']=win['S']['R']=win['R']['R']='R'; win['S']['P']=win['P']['S']=win['S']['S']='S'; win['P']['R']=win['R']['P']=win['P']['P']='P'; cin>>n>>k>>s; while(k--){ const auto t=s+s; for(int i=0;i<n*2;i+=2){ s[i/2]=win[t[i]][t[i+1]]; } } cout<<s[0]; }
#include<bits/stdc++.h> #define ll long long #define re register #define INF 2147483647 using namespace std; inline int read() { int f=1,x=0;char s=getchar(); while(s<'0'||s>'9') { if(s=='-') f=-1; s=getchar(); } while(s>='0'&&s<='9') { x=x*10+s-48; s=getchar(); } return f*x; } inline char cmp(char a,char b) { if(a==b) return a; if(a=='R') { if(b=='P') return b; else return a; } if(a=='P') { if(b=='S') return b; else return a; } if(a=='S') { if(b=='R') return b; else return a; } } char s[105],f[105][105]; int nxt[105][105]; int main() { int n=read(),k=read(); scanf("%s",s); for(int i=0;i<n;i++) { nxt[i][1]=(i+1)%n; //cout<<nxt[i][1]<<endl; f[i][1]=cmp(s[nxt[i][1]],s[i]); //putchar(f[i][1]); //puts(""); } for(int j=2;j<=k;j++) { for(int i=0;i<n;i++) { nxt[i][j]=nxt[(nxt[i][j-1]+1)%n][j-1]; f[i][j]=cmp(f[i][j-1],f[(nxt[i][j-1]+1)%n][j-1]); //cout<<nxt[i][j]<<endl; } } putchar(f[0][k]); return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long int lli; #pragma region DEBUG #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; typedef tree< pair<int,int>, null_type, less<pair<int,int>>, rb_tree_tag, tree_order_statistics_node_update> ordered_set; void __print(int x) {cerr << x;} void __print(long x) {cerr << x;} void __print(long long x) {cerr << x;} void __print(unsigned x) {cerr << x;} void __print(unsigned long x) {cerr << x;} void __print(unsigned long long x) {cerr << x;} void __print(float x) {cerr << x;} void __print(double x) {cerr << x;} void __print(long double x) {cerr << x;} void __print(char x) {cerr << '\'' << x << '\'';} void __print(const char *x) {cerr << '\"' << x << '\"';} void __print(const string &x) {cerr << '\"' << x << '\"';} void __print(bool x) {cerr << (x ? "true" : "false");} template<typename T, typename V> void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';} template<typename T> void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";} void _print() {cerr << "]\n";} template <typename T, typename... V> void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);} #ifndef ONLINE_JUDGE #define debug(x...) cerr << "[" << #x << "] = ["; _print(x) #else #define debug(x...) #endif #pragma endregion DEBUG #define MOD 1000000007 #define MAX 500005 #define endl "\n" vector <lli> fact(MAX,1); vector <lli> invfact(MAX,1); lli binpow(lli a, lli b, lli m){ //a %= m; lli res = 1; while(b > 0){ if(b&1) res = a*res%m; b >>=1; a = a*a%m; } return res; } void solve(){ lli a,b,c; cin>>a>>b>>c; lli X = binpow(b,c,4); //debug(X); if(X == 0) X = 4; lli ans = binpow(a%10, X, MOD); cout<<(ans%10)<<endl; } int main(){ /* freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); */ ios_base::sync_with_stdio(false); cin.tie(NULL); /* for(lli i = 1; i<MAX-5; i++){ fact[i] = i*fact[i-1]%MOD; invfact[i] = binpow(fact[i],MOD-2); } */ lli t; t = 1; //cin>>t; while(t--) solve(); }
#include <bits/stdc++.h> using namespace std; typedef long long LL; int a, B, c; inline int fpow(int x, int b, int m) { int res = 1; while (b) { if (b & 1) res = 1ll * res * x % m; x = 1ll * x * x % m; b >>= 1; } return res; } int main() { cin >> a >> B >> c; cout << fpow(a, 4 + fpow(B, c, 4), 10); }
//#pragma GCC optimize ("O2") //#pragma GCC target ("avx2") //#include<bits/stdc++.h> //#include<atcoder/all> //using namespace atcoder; #include<cstdio> using namespace std; typedef long long ll; #define rep(i, n) for(int i = 0; i < (n); i++) #define rep1(i, n) for(int i = 1; i <= (n); i++) #define co(x) cout << (x) << "\n" #define cosp(x) cout << (x) << " " #define ce(x) cerr << (x) << "\n" #define cesp(x) cerr << (x) << " " #define pb push_back #define mp make_pair #define chmin(x, y) x = min(x, y) #define chmax(x, y) x = max(x, y) #define Would #define you #define please ll dph[2000], dphw[4000], *naname = dphw + 2000; const int mod = 1e9 + 7; int main() { //cin.tie(0); //ios::sync_with_stdio(false); int H = 0, W = 0; char c; while ((c = getchar_unlocked()) >= '0') H = H * 10 + c - '0'; while ((c = getchar_unlocked()) >= '0') W = W * 10 + c - '0'; getchar_unlocked(); dph[0] = 1; naname[0] = 1; ll w = 1; ll tmp = 1; rep1(i, W - 1) { tmp = w; if (getchar_unlocked() == '.') { dph[i] = w; naname[i] = w; w = w * 2 % mod; } else { dph[i] = 0; naname[i] = 0; w = 0; } } getchar_unlocked(); rep1(i, H - 1) { if (getchar_unlocked() == '.') { tmp = dph[0]; w = tmp; dph[0] = (tmp + dph[0]) % mod; naname[-i] = (tmp + naname[-i]) % mod; } else { w = 0; dph[0] = 0; naname[-i] = 0; } if (!(i & 3)) { rep1(j, W - 1) { if (getchar_unlocked() == '.') { tmp = (w + dph[j] + naname[j - i]) % mod; w = (w + tmp) % mod; dph[j] = (tmp + dph[j]) % mod; naname[j - i] = (tmp + naname[j - i]) % mod; } else { w = 0; dph[j] = 0; naname[j - i] = 0; } } } else { rep1(j, W - 1) { if (!(j & 3)) { if (getchar_unlocked() == '.') { tmp = (w + dph[j] + naname[j - i]) % mod; w = (w + tmp) % mod; dph[j] = (tmp + dph[j]) % mod; naname[j - i] = (tmp + naname[j - i]) % mod; } else { w = 0; dph[j] = 0; naname[j - i] = 0; } } else { if (getchar_unlocked() == '.') { tmp = w + dph[j] + naname[j - i]; w = w + tmp; dph[j] = tmp + dph[j]; naname[j - i] = tmp + naname[j - i]; } else { w = 0; dph[j] = 0; naname[j - i] = 0; } } } } getchar_unlocked(); } printf("%lld\n", tmp % mod); Would you please return 0; }
#include <iostream> #include <vector> #include <map> #include <algorithm> #include <cmath> #include <string> #include <iomanip> #include <deque> #include <queue> #include <stack> #include <set> #include <complex> #include <ctime> #include <bitset> // #include <atcoder/all> #include <fstream> #include <random> //#include <boost/multiprecision/cpp_int.hpp> //namespace mp = boost::multiprecision; using namespace std; // using namespace atcoder; typedef long long ll; typedef unsigned long long ull; typedef long double ld; typedef int itn; const ll LINF = 1e18; const int INF = 1e9; //マクロ定義 #define vvint(vec,n,m,l) vector<vector<int>> vec(n, vector<int>(m,l)); // lで初期化 #define vvll(vec,n,m,l) vector<vector<ll>> vec(n,vector<ll>(m,l)); #define vint vector<int> #define pint pair<int,int> #define rep(i,a) for(ll i=0;i<(a);i++) #define all(x) (x).begin(),(x).end() #define debug system("pause") //デバッグ用 #define ret return 0 template<class T>bool chmax(T& a, const T& b) { if (a < b) { a = b; return 1; } return 0; } template<class T>bool chmin(T& a, const T& b) { if (b < a) { a = b; return 1; } return 0; } using Graph = vector<vector<ll>>; #define ketasitei setprecision(15) //15桁表示 const ll MOD = 1000000007; const ll MOD2 = 998244353; const double PI = 3.1415926535897932; //繰り返し自乗法(N^P mod M) ll RepeatSquaring(ll N, ll P, ll M) { if (P == 0) return 1; if (P % 2 == 0) { ll t = RepeatSquaring(N, P / 2, M); return (t * t) % M; } return (N * RepeatSquaring(N, P - 1, M)) % M; } int main(void) { cin.tie(0); ios::sync_with_stdio(false); cout << ketasitei; ll h, w; cin >> h >> w; vector<string> s(h); // 0:左 1:上 2:左上 vector<vector<vector<ll>>> dp(h + 1, vector<vector<ll>>(w + 1, vector<ll>(3, 0))); rep(i, h) cin >> s[i]; dp[0][0][0] = 0; dp[0][0][1] = 0; dp[0][0][2] = 0; for (ll i = 1; i < h; i++) { if (s[i][0] == '#') break; dp[i][0][1] = (RepeatSquaring(2, i - 1LL, MOD)); } for (ll i = 1; i < w; i++) { if (s[0][i] == '#') break; dp[0][i][0] = RepeatSquaring(2, i - 1LL, MOD); } for (ll i = 1; i < h; i++) { for (ll j = 1; j < w; j++) { if (s[i][j] == '#') continue; if (i == 1 && j == 1) { dp[i][j][2] = 1; } dp[i][j][0] += 2 * dp[i][j - 1][0] + dp[i][j - 1][1] + dp[i][j - 1][2]; dp[i][j][0] %= MOD; dp[i][j][1] += dp[i - 1][j][0] + 2 * dp[i - 1][j][1] + dp[i - 1][j][2]; dp[i][j][1] %= MOD; dp[i][j][2] += dp[i - 1][j - 1][0] + dp[i - 1][j - 1][1] + 2 * dp[i - 1][j - 1][2]; dp[i][j][2] %= MOD; } } cout << (dp[h - 1][w - 1][0] + dp[h - 1][w - 1][1] + dp[h - 1][w - 1][2]) % MOD << endl; return 0; }
#include<bits/stdc++.h> using namespace std; int a[200005]; int main() { ios_base::sync_with_stdio(false); cin.tie(0); int n,i,j; cin >> n; for(i=1;i<=n;i++) cin >> a[i]; int last = 1; vector<int>ans; for(i=2;i<=n;i++) { if(a[i] < i) { if(a[i] < last) { cout << -1 << endl; return 0; } int pos = a[i]; for(j=i;j>pos;j--) { swap(a[j],a[j-1]); ans.push_back(j-1); } last = i; } } if(ans.size() != (n-1)) cout << -1 << endl; else { for(i=1;i<=n;i++) { if(a[i] != i) { cout << -1 << endl; return 0; } } for(int x:ans) cout << x << endl; } }
#include <bits/stdc++.h> int ri() { int n; scanf("%d", &n); return n; } int main() { int n = ri(); int a[n]; for (auto &i : a) i = ri() - 1; int plus[n]; int minus[n]; memset(plus, 0, sizeof(plus)); memset(minus, 0, sizeof(minus)); for (int i = 0; i < n; i++) { if (a[i] < i) { plus[a[i]]++; plus[i]--; } else if (a[i] > i) { minus[i]++; minus[a[i]]--; } } for (int i = 0; i + 1 < n; i++) plus[i + 1] += plus[i], minus[i + 1] += minus[i]; bool ok = true; for (int i = 0; i + 1 < n; i++) if (plus[i] != 1 || minus[i] != 1) ok = false; if (!ok) { puts("-1"); return 0; } for (int i = 0; i < n; i++) { if (a[i] < i) { for (int j = a[i]; j < i; j++) plus[j] = a[i]; } else if (a[i] > i) { for (int j = i; j < a[i]; j++) minus[j] = a[i]; } } std::set<int> avail; auto update = [&] (int i) { if (a[i] == minus[i] && a[i + 1] == plus[i]) { avail.insert(i); } else avail.erase(i); }; for (int i = 0; i + 1 < n; i++) update(i); std::vector<int> res; while (avail.size()) { int cur = *avail.begin(); res.push_back(cur); avail.erase(avail.begin()); std::swap(a[cur], a[cur + 1]); if (cur) update(cur - 1); update(cur); if (cur + 1 < n - 1) update(cur + 1); } if ((int) res.size() != n - 1) { puts("-1"); return 0; } for (auto i : res) printf("%d\n", i + 1); return 0; }
#include<iostream> #include<string> #include<algorithm> #include<vector> #include<iomanip> #include<math.h> #include<complex> #include<queue> #include<deque> #include<stack> #include<map> #include<set> #include<bitset> #include<functional> #include<assert.h> #include<numeric> using namespace std; #define REP(i,m,n) for(int i=(int)(m) ; i < (int) (n) ; ++i ) #define rep(i,n) REP(i,0,n) using ll = long long; constexpr int inf=1e9+7; constexpr ll longinf=1LL<<60 ; constexpr ll mod=1e9+7 ; int dp[111][111][111]; int main(){ cin.tie(nullptr); ios::sync_with_stdio(false); int n; cin>>n; ll x; cin>>x; vector<int> a(n); rep(i,n)cin>>a[i]; ll ans = x + 1; REP(t,1,n+1){ rep(i,n+1)rep(j,n+1)rep(k,t){ dp[i][j][k] = -inf; } dp[0][0][0]=0; rep(i,n)rep(j,i+1)rep(k,t){ if(dp[i][j][k]<0)continue; dp[i+1][j+1][(k+a[i])%t]=max(dp[i+1][j+1][(k+a[i])%t],dp[i][j][k]+a[i]); dp[i+1][j][k]=max(dp[i+1][j][k],dp[i][j][k]); } if(dp[n][t][x%t]<0)continue; ans = min((x-dp[n][t][x%t])/t,ans); } cout<<ans<<endl; return 0; }
#include<bits/stdc++.h> #define ll long long #define fi first #define se second #define pll pair<ll, ll> #define pb push_back #define pii pair<ll ,pll> #define task "parentheses" using namespace std; const int N = 105; const ll mod = 1e18+7; const int base = 350; ll n, t, m, k, tong, a[N], dp[N][N], ans; vector<ll> kq; vector<ll> adj[N]; void sol() { cin >> n >> m; for(int i = 1; i <= n; i ++)cin >> a[i]; ans = mod; for(int i = 1; i <= n; i ++) { for(int l = 0; l <= i; l ++) { for(int r = 0; r <= i; r ++)dp[l][r] = -1; } dp[0][0] = 0; for(int j = 1; j <= n; j ++) { for(int l = j-1; l >= 0; l --) { for(int r = i-1; r >= 0; r --) { if(dp[l][r] == -1)continue; k = (r + a[j] % i) % i; dp[l+1][k] = max(dp[l+1][k], dp[l][r] + a[j]); } } } if(dp[i][m%i] != -1)ans = min(ans, (m - dp[i][m%i]) / i); } cout << ans; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); if(fopen(task".inp", "r")) { freopen(task".inp", "r", stdin); freopen(task".out", "w", stdout); } int ntest = 1; //cin >> ntest; while(ntest -- > 0) sol(); } //https://docs.google.com/document/d/1JARtZUcSiWp9F95IoR8hhMp65eDu3vrRqvK_iUOQiFI/edit#heading=h.j89qf85z2g73
#include <bits/stdc++.h> #define pii pair<int, int> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); int h, w; cin >> h >> w; bool g[h][w]; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { char temp; cin >> temp; g[i][j] = (temp == '#'); } } /* */ int cnt = 0; for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { if (g[i][j]) { // top if (!g[i - 1][j] && (g[i - 1][j - 1] || !g[i][j - 1])) cnt++; // bottom if (!g[i + 1][j] && (g[i + 1][j - 1] || !g[i][j - 1])) cnt++; // left if (!g[i][j - 1] && (g[i - 1][j - 1] || !g[i - 1][j])) cnt++; // right if (!g[i][j + 1] && (g[i - 1][j + 1] || !g[i - 1][j])) cnt++; } } } cout << cnt; }
#include <bits/stdc++.h> using namespace std; int h,w; int dp[2001][2001]; int c[2001][2001]; int main(){ char cha; cin>>h>>w; for(int i=0;i<h;i++){ for(int j=0;j<w;j++){ cin>>cha; if(cha=='+') c[i][j]=1; else c[i][j]=-1; } } for(int j=h-1;j>=0;j--){ for(int k=w-1;k>=0;k--){ if(j>=h||k>=w) continue; if((j+k)%2==1){ if(j==h-1) dp[j][k]=dp[j][k+1]+c[j][k+1]; else if(k==w-1) dp[j][k]=dp[j+1][k]+c[j+1][k]; else dp[j][k]=max(dp[j+1][k]+c[j+1][k],dp[j][k+1]+c[j][k+1]); } else{ if(j==h-1) dp[j][k]=dp[j][k+1]-c[j][k+1]; else if(k==w-1) dp[j][k]=dp[j+1][k]-c[j+1][k]; else dp[j][k]=min(dp[j+1][k]-c[j+1][k],dp[j][k+1]-c[j][k+1]); } } } if(dp[0][0]<0) cout<<"Takahashi\n"; else if(dp[0][0]>0) cout<<"Aoki\n"; else cout<<"Draw\n"; }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rep2(i, s, n) for (int i = (s); i < (int)(n); i++) #define all(a) a.begin(), a.end() #define All(a) a.rbegin(), a.rend() typedef vector<int> VI; typedef long long int ll; int main() { int x; cin >> x; cout << 100-(x%100) << endl; return 0; }
#include <bits/stdc++.h> #define _overload3(_1,_2,_3,name,...)name #define _rep(i,n)repi(i,0,n) #define repi(i,a,b)for(int i=int(a),i##_len=(b);i<i##_len;++i) #define MSVC_UNKO(x)x #define rep(...)MSVC_UNKO(_overload3(__VA_ARGS__,repi,_rep,_rep)(__VA_ARGS__)) #define all(c)c.begin(),c.end() #define write(x)cout<<(x)<<'\n' using namespace std; using ll = long long; template<class T>using vv = vector<vector<T>>; template<class T>auto vvec(int n, int m, T v) { return vv<T>(n, vector<T>(m, v)); } constexpr int INF = 1 << 29, MOD = int(1e9) + 7; constexpr ll LINF = 1LL << 60; struct aaa { aaa() { cin.tie(0); ios::sync_with_stdio(0); cout << fixed << setprecision(10); }; }aaaa; long long gcd(long long x, long long y) { return y ? gcd(y, x % y) : x; } ll extgcd(ll a, ll b, ll& x, ll& y) { for (ll v = x = 1, u = y = 0; b; ) { ll q = a / b; swap(a -= q * b, b); swap(x -= q * u, u); swap(y -= q * v, v); } return a; } int main() { int T; cin >> T; rep(t, T) { ll N, S, K; cin >> N >> S >> K; ll G = gcd(N, K); if (S % G) { write(-1); continue; } ll n = N / G, k = K / G, s = S / G; ll x, y; ll ret = extgcd(k, -n, x, y); assert(abs(ret) == 1); if (ret == 1) { x *= n - s; y *= n - s; } else { x *= s; y *= s; } ll z = min(x / n, y / k); x -= n * z; write(x); } }
#include <bits/stdc++.h> #define rep(begin, end) for (i=begin;i<end;i++) #define repj(begin, end) for (j=begin;j<end;j++) #define init(arr, end, val) for (i=0;i<end;i++) arr[i] = val; #define printint(i0, i1) printf("%d %d\n", i0, i1) using namespace std; typedef long long int ll; const int inf = 1000000000; const int mod = 1000000007; const int nil = -1; ll i, j, n, w, s, t, p; ll a[200001]; bool ans; int main() { scanf(" %lld %lld", &n, &w); rep(0,n+1) a[i] = 0; rep(0,n) { scanf(" %lld %lld %lld", &s, &t, &p); a[s] += p; a[t] -= p; } ans = a[0] <= w; rep(1,n+1) { a[i] += a[i-1]; if (a[i] > w) ans = false; } if (ans) printf("Yes"); else printf("No"); }
#include <bits/stdc++.h> //#include <ext/pb_ds/assoc_container.hpp> //#include <ext/pb_ds/tree_policy.hpp> using namespace std; //using namespace __gnu_pbds; //template<class T> using oset = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; template<typename T> ostream& operator<<(ostream &os, const vector<T> &v) { os << '['; string sep; for (const auto &x : v) os << sep << x, sep = ", "; return os << ']'; } template<typename T, size_t size> ostream& operator<<(ostream &os, const array<T, size> &arr) { os << '{'; string sep; for (const auto &x : arr) os << sep << x, sep = ", "; return os << '}'; } template<typename A, typename B> ostream& operator<<(ostream &os, const pair<A, B> &p) { return os << '{' << p.first << ", " << p.second << '}'; } template<typename T> ostream& operator<<(ostream &os, const set<T> &s) { os << '{'; string sep; for (const auto &x : s) os << sep << x, sep = ", "; return os << '}'; } template<typename A, typename B> ostream& operator<<(ostream &os, const map<A, B> &mp) { os << '['; string sep; for (const auto &x : mp) os << sep << x, sep = ", "; return os << ']'; } template<typename T> ostream& operator<<(ostream &os, const multiset<T> &s) { os << '{'; string sep; for (const auto &x : s) os << sep << x, sep = ", "; return os << '}'; } void dbg_out() { cerr << endl; } template<typename Head, typename... Tail> void dbg_out(Head H, Tail... T) { cerr << ' ' << H; dbg_out(T...); } #ifndef ONLINE_JUDGE #define dbg(...) cerr << "[" << #__VA_ARGS__ << "] =", dbg_out(__VA_ARGS__) #else #define dbg(...) #endif #define int long long #define setbits(x) __builtin_popcountll(x) #define mod 1000000007 #define inf 1e18 #define endl '\n' #define pb push_back #define all(x) x.begin(),x.end() #define ff first #define ss second int powmod(int a, int b) {int res = 1; a %= mod; for (; b; b >>= 1) {if (b & 1)res = res * a % mod; a = a * a % mod;} return res;} int fast_pow(int a, int b) {if (b == 1) return a; if (b == 0) return 1; int x = fast_pow(a, b / 2); x *= x; if (b & 1) x *= a; return x;} const int nax = 2e5 + 5; vector<pair<int, int>> v(nax); vector<int> timee(nax); vector<int> ans(nax); vector<pair<int, int>> marks(nax); vector<pair<int, int>> pre(nax); int n, t; void solve() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); cout << fixed << setprecision(10); /*#ifndef ONLINE_JUDGE freopen("inp.txt", "r", stdin); freopen("out.txt", "w", stdout); #endif*/ cin >> n >> t; for (int i = 0; i < n; i++) { cin >> v[i].ff >> v[i].ss >> timee[i]; } for (int i = 0; i < n; i++) { marks[v[i].ff + 1].ff++; marks[v[i].ff + 1].ss += timee[i]; marks[v[i].ss + 1].ff--; marks[v[i].ss + 1].ss -= timee[i]; // dbg(marks); } pre[0].ff = marks[0].ff; pre[0].ss = marks[0].ss; for (int i = 1; i < nax; i++) { pre[i].ff = pre[i - 1].ff + marks[i].ff; pre[i].ss = pre[i - 1].ss + marks[i].ss; } // dbg(marks); // dbg(pre); bool c = 0; for (int i = 0; i < nax; i++) { if (pre[i].ss > t) { cout << "No" << endl; return; } } cout << "Yes" << endl; } int32_t main() { solve(); return 0; } // 0 0 0 0 0 0 0 0 0 0 0 // 0 1 0 -1 0 0 0 0 0 0 0 // 0 1 1 -1 -1 0 0 0 0 0 0 // 0 1 1 0 -1 0 0 0 0 0 0 -1 // 0 1 2 0 -2 0 0 0 0 0 0 -1
#include <bits/stdc++.h> using namespace std; using ll = long long; template<typename T> using v2 = vector<vector<T>>; template<typename T> inline v2<T> fill(int r, int c, const T& t){ return v2<T>(r, vector<T>(c, t)); } const int MOD = 1e9+7; void solve(){ int h, w; cin >> h >> w; v2<char> grid = fill(h, w, '?'); for(int i = 0; i < h; ++i){ for(int j = 0; j < w; ++j){ cin >> grid[i][j]; } } v2<int> dp = fill(h, w, -1), horiz, vert, diag; horiz = vert = diag = dp; dp[0][0] = horiz[0][0] = vert[0][0] = diag[0][0] = 1; for(int i = 0; i < h; ++i){ for(int j = 0; j < w; ++j){ if(!i&&!j) continue; if(grid[i][j] == '#'){ dp[i][j] = horiz[i][j] = vert[i][j] = diag[i][j] = 0; } else{ int h = (j-1>=0) ? horiz[i][j-1] : 0; int v = (i-1>=0) ? vert[i-1][j] : 0; int d = (i-1>=0 && j-1>=0) ? diag[i-1][j-1] : 0; dp[i][j] = ((ll)h+v+d)%MOD; horiz[i][j] = (dp[i][j] + h)%MOD; vert[i][j] = (dp[i][j] + v)%MOD; diag[i][j] = (dp[i][j] + d)%MOD; } } } cout << dp[h-1][w-1] << "\n"; } int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); solve(); return 0; }
#include <bits/stdc++.h> using namespace std; #define PI 3.14159265359 int main() { int N; int64_t W; cin >> N >> W; vector<vector<int>> T(N, vector<int>(N)); vector<int> v; for (int i = 0; i < N; i++){ v.push_back(i); for (int j = 0; j < N; j++){ cin >> T[i][j]; } } v.erase(remove(v.begin(), v.end(), 0), v.end()); int ans = 0; do { int64_t dist = 0; for (int i = 0; i < N - 2; i++) dist += T[v[i]][v[i + 1]]; dist += T[0][v[0]] + T[v[N - 2]][0]; if (dist == W) ans++; } while(next_permutation(v.begin(), v.end())); cout << ans << endl; }
/* /^--^\ \____/ / \ _____ _ __ __ ____ _ ____ ____ _____ | || ()_)| |\ \/ /| ===|| |__ / (__` / () \|_ _| \__ __/ |_| |_|/_/\_\|____||____|\____)/__/\__\ |_| |^|^\ \^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^|^| | | |\ \| | | | | | | | | | | | | | | | | | | | | | | | | #####/ /################################################# | | |\/ | | | | | | | | | | | | | | | | | | | | | | | | | |_|_|_|_|_|_|_|_|_|_|_|_|_|_|_|_|_|_|_|_|_|_|_|_|_|_|_|*/ #pragma GCC optimize("O4,unroll-loops,no-stack-protector") #include <bits/stdc++.h> using namespace std; using ll=long long; using ull=unsigned long long; using pii=pair<ll,ll>; #define int ll #define double long double #define For(i,a,b) for(int i=a;i<=b;i++) #define Forr(i,a,b) for(int i=a;i>=b;i--) #define Fors(i,a,b,s) for(int i=a;i<=b;i+=s) #define F first #define S second #define L(id) (id*2+1) #define R(id) (id*2+2) #define eb emplace_back #define all(x) x.begin(),x.end() #define sz(x) ((int)x.size()) #define mkp make_pair #define MOD (ll)(998244353) #define INF (1e17) #define EPS (1e-6) #ifdef LOCALMEOW #define debug(...) do{\ cerr << __PRETTY_FUNCTION__ << " - " << __LINE__ <<\ " : ("#__VA_ARGS__ << ") = ";\ _OUT(__VA_ARGS__);\ }while(0) template<typename T> void _OUT(T x) { cerr << x << "\n"; } template<typename T,typename...I> void _OUT(T x,I ...tail) { cerr << x << ", "; _OUT(tail...); } #else #define debug(...) #endif inline void IOS(){ ios::sync_with_stdio(false); cin.tie(0); } mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()); int gcd(int a,int b) { return b==0?a:gcd(b,a%b); } int lcm(int a,int b) { return a/gcd(a,b)*b; } int fpow(int b,int p){ int ans=1,now=b; while(p){ if(p&1) ans=ans*now%MOD; p/=2; now=now*now%MOD; } return ans; } void minify(int &a,int b) { if(b<a) a=b; } void maxify(int &a,int b) { if(b>a) a=b; } vector<pii> adj[2020]; int dis[2020]; int dijk(int n){ For(i,0,2019) dis[i]=INF; priority_queue<pii,vector<pii>,greater<pii>> pq; for(auto &i:adj[n]) pq.emplace(i.S,i.F); while(!pq.empty()){ auto p=pq.top(); pq.pop(); if(p.S==n) return p.F; if(dis[p.S]!=INF) continue; dis[p.S]=p.F; for(auto &e:adj[p.S]){ pq.emplace(e.S+p.F,e.F); } } return -1; } int32_t main(){ IOS(); //code... int n,m; cin>>n>>m; int a,b,c; For(i,0,m-1){ cin>>a>>b>>c; adj[a].eb(b,c); } For(i,1,n) cout<<dijk(i)<<"\n"; return 0; }
#include<bits/stdc++.h> using namespace std; #define all(x) (x).begin(),(x).end() #define pb push_back #define pf push_front #define sz(x) (int)(x).size() #define lb lower_bound #define ub upper_bound #define mp make_pair #define fi first #define se second #define setbits(x) __builtin_popcount(x) #define zerobits(x) __builtin_ctz(x) #define setbitsll(x) __builtin_popcountll(x) #define zerobitsll(x) __builtin_ctzll(x) #define ps(x,y) fixed<<setprecision(y)<<x typedef vector<int> vi; typedef long long ll; typedef vector<ll> vl; typedef pair<int,int> pii; typedef unsigned long long ull; typedef long double ld; typedef map<int,int> mii; const int MOD = 1e9+7; const ld PI = acos((ld)-1); const int maxN = 2001; vector<pii> adj[maxN]; vi res(maxN,MOD); vector<vector<int>>dist(maxN,vector<int>(maxN,MOD)); void dijkstra (int src) { dist[src][src] = 0; priority_queue<pii>pq; pq.push({0,src}); while (!pq.empty()) { pii p = pq.top(); pq.pop(); int d = -p.fi; int v = p.se; if (d > dist[src][v]) { continue; } for (pii edge : adj[v]) { int to = edge.fi; int w = edge.se; if (dist[src][to] > dist[src][v]+w) { dist[src][to] = dist[src][v]+w; pq.push({-dist[src][to],to}); } } } } void solve () { int n,m; cin >> n >> m; for (int i = 0;i < m;++i) { int u,v,w; cin >> u >> v >> w; if (u == v) { res[u] = min(res[u],w); continue; } adj[u].pb({v,w}); } for (int i = 1;i <= n;++i) { dijkstra(i); } for (int i = 1;i <= n;++i) { for (pii edge : adj[i]) { int to = edge.fi; int w = edge.se; res[i] = min(res[i],dist[to][i]+w); } } for (int i = 1;i <= n;++i) { if (res[i] == MOD) { cout << -1 << "\n"; } else { cout << res[i] << "\n"; } } } int main () { #ifndef ONLINE_JUDGE freopen("input1.txt","r",stdin); freopen("output1.txt","w",stdout); #endif ios_base::sync_with_stdio(false); cin.tie(NULL); solve(); return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; #define rep(i,n) for(ll i=0,endrep=(n); i<endrep; ++i) #define rep1(i,n) for(ll i=1,endrep=(n); i<=endrep; ++i) #define revrep(i,n) for(ll i=(n)-1; i>=0; --i) inline constexpr ll Inf = (1ULL << 60) -123456789; #define fastio cin.tie(0); ios_base::sync_with_stdio(false); cout<<fixed<<setprecision(10); #define newl '\n' #define YN(e) ((e)?"Yes":"No") #define all(a) begin(a),end(a) #define rall(a) rbegin(a),rend(a) template <class T,class U> bool updmax(T& a, U b) { if(b>a){ a=b; return true;} return false;} template <class T,class U> bool updmin(T& a, U b) { if(b<a){ a=b; return true;} return false;} inline constexpr int Mod = 1000000007; //inline constexpr int Mod = 998244353; #define dbg(a) cout << #a << ": " << a << endl; #define dbg1(a,n) cout<<#a<<": "; rep(i,n) cout<<a[i]<<" "; cout<<endl; #define dbg2(m,h,w) cout<<#m<<":"<<endl; rep(i,h){ rep(j,w)cout<<m[i][j]<<" "; cout<<endl; } int rng(int n) { return rand()/(RAND_MAX+1.0)*n; } struct room { int r[17][17]{}; int na{}; }; int main() { fastio; ll ans{}; ll H,W,A,B; cin >> H >> W >> A >> B; auto nxt = [&](int i, int j)->pair<int,int> { if (j == W-1) { j = 0; ++i; return {i,j}; } return {i,j+1}; }; function<void(room,int,int)> dfs = [&](room r,int i, int j) { if (i == H) { ll t=0; rep(k,H) rep(l,W) { if (r.r[k][l] > 0) ++t; } if (t == A*2) { ++ans; } return; } auto [ni,nj] = nxt(i,j); if (r.r[i][j] > 0) { dfs(r, ni,nj); return; } dfs(r, ni,nj); room q = r; if (j<W-1 && r.r[i][j+1] == 0) { r.r[i][j] = 1; r.r[i][j+1] = 1; dfs(r,ni,nj); } if (i<H-1 && r.r[i+1][j] == 0) { q.r[i][j] = 1; q.r[i+1][j] = 1; dfs(q,ni,nj); } }; dfs(room{}, 0,0); cout << ans << endl; }
#include<bits/stdc++.h> #define for0(i, n) for(int i = 0; i < (n); i++) #define for1(i, n) for(int i = 1; i <= (n);i++) #define puts(x) cout << (x) << "\n" using namespace std; int si, sj, t[60][60], p[60][60], M; bool b1[50 * 51]; int score(string s) { int xs = si, ys = sj, r = p[xs][ys]; for (char c : s) { if (c == 'U')xs--; if (c == 'D')xs++; if (c == 'L')ys--; if (c == 'R')ys++; r += p[xs][ys]; } return r; } char fr1(int pu, int pd, int pl, int pr) { int r = rand() % (pu + pd + pl + pr); if (r < pu)return 'U'; if (r < pu + pd)return 'D'; if (r < pu + pd + pl)return 'L'; return 'R'; } int main() { srand((unsigned)time(NULL)); cin >> si >> sj; si++; sj++; b1[2525] = 1; for0(i, 52)for0(j, 52) { if (i * j == 0 || i == 51 || j == 51)t[i][j] = 2525; else { cin >> t[i][j]; M = max(M, t[i][j]); } } for1(i, 50)for1(j, 50)cin >> p[i][j]; string s1 = ""; int v1 = score(s1), ti = clock(); while (clock() - ti <= 1800000) { string sp = ""; int xi = si, yi = sj; while (1) { b1[t[xi][yi]] = 1; int pu = 10; for1(i, 10)if (b1[t[xi - i][yi]]) { pu = i - 1; break; } int pd = 10; for1(i, 10)if (b1[t[xi + i][yi]]) { pd = i - 1; break; } int pl = 10; for1(i, 10)if (b1[t[xi][yi - i]]) { pl = i - 1; break; } int pr = 10; for1(i, 10)if (b1[t[xi][yi + i]]) { pr = i - 1; break; } if (pu + pd + pl + pr == 0)break; char rc = fr1(pu, pd, pl, pr); sp += rc; if (rc == 'U')xi--; if (rc == 'D')xi++; if (rc == 'L')yi--; if (rc == 'R')yi++; } int vi = score(sp); if (vi > v1) { s1 = sp; v1 = vi; } for0(i, M)b1[i] = 0; } puts(s1); }
#include<bits/stdc++.h> #include <ext/pb_ds/tree_policy.hpp> // #include<ext/pb_ds/tree_policy.hpp> #include <ext/pb_ds/assoc_container.hpp> //#include<ext/pb_ds/assoc_container.hpp> using namespace __gnu_pbds; //using namespace __gnu_pbds; #define pb push_back #define ins insert #define var auto #define F first #define S second #define mp make_pair using namespace std; typedef long long ll; typedef pair<int,int> pii; template <class T> using oset = tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update>; const int Max = 1e6 + 10; const int LOG = 30; const int Mod = 998244353; const int SQ = 3000; const int INF = 1e9 + 10; const int BMSK = 4e6; void solve() { ll x;cin >> x; // x * (x + 1) / 2 - (x + 1) * (x + 2) / 2 = // x + 1 >= y * (y + 1) / 2 ll r = 0 , l = 2000000000; while(l - r > 1) { ll mid = (l + r) / 2; if(mid * (mid + 1) / 2 <= x + 1) r = mid; else l = mid; } cout << x - r + 1 << '\n'; } int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); /*int t;cin >> t; while(t--)*/ solve(); }
#include <bits/stdc++.h> using namespace std; #define REP(i,n) for(ll i=0;i<(ll)n;i++) #define dump(x) cerr << "Line " << __LINE__ << ": " << #x << " = " << (x) << "\n"; #define spa << " " << #define fi first #define se second #define ALL(a) (a).begin(),(a).end() #define ALLR(a) (a).rbegin(),(a).rend() using ld = long double; using ll = long long; using ull = unsigned long long; using pii = pair<int, int>; using pll = pair<ll, ll>; using pdd = pair<ld, ld>; template<typename T> using V = vector<T>; template<typename T> using P = pair<T, T>; template<typename T> vector<T> make_vec(size_t n, T a) { return vector<T>(n, a); } template<typename... Ts> auto make_vec(size_t n, Ts... ts) { return vector<decltype(make_vec(ts...))>(n, make_vec(ts...)); } template<class S, class T> ostream& operator << (ostream& os, const pair<S, T> v){os << "(" << v.first << ", " << v.second << ")"; return os;} template<typename T> ostream& operator<<(ostream &os, const vector<T> &v) { for (auto &e : v) os << e << ' '; return os; } template<class T> ostream& operator<<(ostream& os, const vector<vector<T>> &v){ for(auto &e : v){os << e << "\n";} return os;} struct fast_ios { fast_ios(){ cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_; template <class T> void UNIQUE(vector<T> &x) {sort(ALL(x));x.erase(unique(ALL(x)), x.end());} template<class T> bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<class T> bool chmin(T &a, const T &b) { if (a>b) { a=b; return 1; } return 0; } void fail() { cout << -1 << '\n'; exit(0); } inline int popcount(const int x) { return __builtin_popcount(x); } inline int popcount(const ll x) { return __builtin_popcountll(x); } template<typename T> void debug(vector<vector<T>>&v,ll h,ll w){for(ll i=0;i<h;i++) {cerr<<v[i][0];for(ll j=1;j<w;j++)cerr spa v[i][j];cerr<<"\n";}}; template<typename T> void debug(vector<T>&v,ll n){if(n!=0)cerr<<v[0]; for(ll i=1;i<n;i++)cerr spa v[i]; cerr<<"\n";}; const ll INF = (1ll<<62); // const ld EPS = 1e-10; // const ld PI = acos(-1.0); const ll mod = (int)1e9 + 7; //const ll mod = 998244353; int main(){ ll n; cin >> n; ll sqn = sqrt(2*(n+1)); ll k = 0; for(ll i=-10;i<=10;i++){ ll v = sqn + i; if(v<0) continue; if(v*(v+1) <= 2*(n+1)) chmax(k, v); } // dump(k) cout << n+1 - k << endl; return 0; }
#include <bits/stdc++.h> using namespace std; const int MAXN = 1e6 + 5; char s[MAXN]; struct Deque { bool rev; char buffer[MAXN << 1]; int head = MAXN, tail = MAXN - 1; bool empty() { return tail < head; } int size() { return tail - head + 1; } char front() { return rev ? buffer[tail] : buffer[head]; } char back() { return rev ? buffer[head] : buffer[tail]; } void push_front(int x) { rev ? buffer[++tail] = x : buffer[--head] = x; } void push_back(int x) { rev ? buffer[--head] = x : buffer[++tail] = x; } void pop_back() { rev ? head++ : tail--; } void pop_front() { rev ? tail-- : head++; } void reverse() { rev ^= 1; } }Q; signed main(int argc, char *argv[]) { cin >> s + 1; int n = strlen(s + 1); for (int i = 1; i <= n; ++i) { if (s[i] == 'R') Q.reverse(); else { if (!Q.empty() && Q.back() == s[i]) { Q.pop_back(); continue; } else Q.push_back(s[i]); } } while (!Q.empty()) cout << Q.front(), Q.pop_front(); system("pause"); return 0; }
#include <bits/stdc++.h> using namespace std; int main(){ string S; cin >> S; list<char> T; bool f=false; for(int i=0; i<S.size(); i++){ if(S[i]=='R'){ f=!f; }else if(f==true){ if(T.front()==S[i]) T.pop_front(); else T.push_front(S[i]); }else{ if(T.back()==S[i]) T.pop_back(); else T.push_back(S[i]); } } string T2=""; for(char t: T){ T2+=t; } if(f==true){ reverse(T2.begin(), T2.end()); } cout << T2 << endl; }
#include <math.h> #include <stdio.h> #include <time.h> #include <algorithm> //#include <atcoder/all> #include <cassert> #include <complex> #include <cstdint> #include <fstream> #include <functional> #include <iomanip> #include <iostream> #include <iterator> #include <limits> #include <list> #include <map> #include <queue> #include <regex> #include <set> #include <stack> #include <string> #include <utility> #include <vector> using namespace std; // using namespace atcoder; using pii = pair<int, int>; using ll = long long; using pll = pair<ll, ll>; using ld = long double; using vll = vector<ll>; using vvll = vector<vector<ll>>; using vii = vector<int>; using vvii = vector<vector<int>>; #define pb push_back #define mp make_pair #define sc second #define fr first #define stpr setprecision #define cYES cout << "YES" << endl #define cNO cout << "NO" << endl #define cYes cout << "Yes" << endl #define cNo cout << "No" << endl #define rep(i, n) for (ll i = 0; i < (n); ++i) #define Rep(i, a, b) for (ll i = (a); i < (b); ++i) #define rrep(i, n) for (ll i = n - 1; i >= 0; i--) #define rRep(i, a, b) for (ll i = a; i >= b; i--) #define crep(i) for (char i = 'a'; i <= 'z'; ++i) #define psortsecond(A, N) \ sort(A, A + N, \ [](const pii& a, const pii& b) { return a.second < b.second; }); #define ALL(x) (x).begin(), (x).end() #define debug(v) \ cout << #v << ":"; \ for (auto x : v) { \ cout << x << ' '; \ } \ cout << endl; #define endl '\n' int ctoi(const char c) { if ('0' <= c && c <= '9') return (c - '0'); return -1; } ll gcd(ll a, ll b) { return (b == 0 ? a : gcd(b, a % b)); } ll lcm(ll a, ll b) { return a * b / gcd(a, b); } constexpr ll MOD = 1000000007; constexpr ll INF = 1000000011; constexpr ll MOD2 = 998244353; constexpr ll LINF = 1001002003004005006ll; constexpr ld EPS = 10e-8; template <class T, class U> inline bool chmax(T& lhs, const U& rhs) { if (lhs < rhs) { lhs = rhs; return 1; } return 0; } template <class T, class U> inline bool chmin(T& lhs, const U& rhs) { if (lhs > rhs) { lhs = rhs; return 1; } return 0; } template <typename T> istream& operator>>(istream& is, vector<T>& v) { for (auto&& x : v) is >> x; return is; } template <typename T, typename U> istream& operator>>(istream& is, pair<T, U>& p) { is >> p.first; is >> p.second; return is; } template <typename T, typename U> ostream& operator>>(ostream& os, const pair<T, U>& p) { os << p.first << ' ' << p.second; return os; } template <class T> ostream& operator<<(ostream& os, vector<T>& v) { for (auto i = begin(v); i != end(v); ++i) { if (i != begin(v)) os << ' '; os << *i; } return os; } int main() { ll N, K, M; cin >> N >> K >> M; vvll dp(102, vll(125000, 0)); dp[0][0] = 1; rep(i, 101) { rep(j, 125000) { dp[i + 1][j] += dp[i][j]; if (j >= i + 1) { dp[i + 1][j] += dp[i + 1][j - i - 1]; } if (j >= (i + 1) * (K + 1)) { dp[i + 1][j] -= dp[i][j - (i + 1) * (K + 1)]; } dp[i + 1][j] = (dp[i + 1][j] + 2 * M) % M; } } // rep(i, 3) { // rep(j, 10) { cout << dp[i][j] << " "; } // cout << endl; // } rep(i, N) { ll l = i, r = N - i - 1; ll E = 0; rep(i, 125000) { E += dp[l][i] * dp[r][i]; E %= M; } E *= (K + 1); E = (E - 1 + M) % M; cout << E << endl; } }
#include <bits/stdc++.h> using namespace std; int n, TTT; const int mod = 1e9 + 7; long long ksm(long long a, int n) { if (n == 1) return a; if (n == 0) return 1; long long ans = ksm(a, n >> 1); ans = ans * ans % mod; if (n & 1) ans = ans * a % mod; return ans; } struct matrix { long long a[101][101], n, m; friend matrix operator*(matrix a, matrix b) { matrix c; memset(c.a, 0, sizeof(c.a)); c.n = a.n; c.m = b.m; // cerr<<c.n<<' '<<c.m<<endl for (int i = 1; i <= a.n; i++) { for (int j = 1; j <= a.m; j++) { for (int k = 1; k <= b.m; k++) { // cerr << c.a[i][k] << " "; c.a[i][k] += a.a[i][j] * b.a[j][k] % mod; c.a[i][k] %= mod; // cerr << a.a[i][j] << " " << b.a[j][k] << " " << c.a[i][k] << " " << i << " " << j << " " << k << endl; } } } return c; } } e, f; matrix ksmm(matrix a, int n) { matrix ans = a; memset(ans.a, 0, sizeof(ans.a)); for (int i = 1; i <= ans.n; i++) ans.a[i][i] = 1; for (; n; n >>= 1, a = a * a) if (n & 1) ans = ans * a; return ans; } int m, k; int in[1001]; int main() { cin >> n >> m >> k; f.m = e.n = e.m = n; f.n = 1; for (int i = 1; i <= n; i++) cin >> f.a[1][i]; // for(int i=1;i<=n;i++)cout<<f.a[1][n] long long tmp = ksm(2 * m % mod, mod - 2); cerr << tmp << endl; for (int i = 1; i <= m; i++) { int x, y; cin >> x >> y; ++in[x]; ++in[y]; e.a[x][y] = tmp; e.a[y][x] = tmp; } // cerr << "!!!" << endl; for (int i = 1; i <= n; i++) { e.a[i][i] = (2 * m - in[i] + mod) % mod * tmp % mod; // cout << e.a[i][i] << endl; } // cerr << "!!!" << endl; e = ksmm(e, k); f = f * e; for (int i = 1; i <= n; i++) { cout << f.a[1][i] << endl; } return 0; }
#include<bits/stdc++.h> // #include <ext/pb_ds/assoc_container.hpp> // #include <ext/pb_ds/tree_policy.hpp> #define f(x, m) for(auto x : m) #define cpu() ios::sync_with_stdio(false); cin.tie(nullptr) #define pb push_back #define pii pair<int,int> #define pll pair<ll, ll> #define vi vector<int> #define vl vector<ll> #define vii vector<pair<int ,int>> #define vll vector<pair<ll ,ll>> #define all(v) v.begin(),v.end() #define sor(a) sort( a.begin(), a.end() ) #define ros(a) sort( a.rbegin(), a.rend()) #define prec(n) fixed << setprecision(n) #define ff first #define ss second #define print(x) for(auto it : x) cout << it << " "; #define debug(x) cerr << #x << " is " << x << endl; #define rq(x, y) range_query(1, 0, n, x, y) #define ru(x, y, val) range_update(1, 0, n, x, y, val) typedef long long ll; using namespace std; // using namespace __gnu_pbds; #define dbg(args...){ string _s = #args; replace(_s.begin(), _s.end(), ',', ' '); stringstream _ss(_s); istream_iterator<string> _it(_ss); err(_it, args); } void err(istream_iterator<string> it) {cout << "NEXT\n"; } template<typename T, typename... Args> void err(istream_iterator<string> it, T a, Args... args) { cerr << *it << " = " << a << ", "; err(++it, args...); } template<typename... T> void rd(T& ... args){ ((cin >> args), ...); } template<typename... T> void ps(T ... args){ ((cout << args << ' '), ...); cout << '\n'; } // using ordered_set = tree<int, null_type, less<int>, rb_tree_tag,tree_order_statistics_node_update>; const ll MOD = 1e9 + 7, MOD1 = 998244353LL, MAX = 2e5 + 5; const char nl = '\n'; const int INF = 2e9 + 5; int n; void solve(){ cin >> n; cout << 100 - (n % 100) << '\n'; } int main(){ cpu(); int __ = 1; // cin >> __; while(__--){ solve(); } return 0; }
#include<bits/stdc++.h> #define pb push_back #define mod 1000000007 #define endl '\n' using namespace std; #define ll long long int ll ceil_div(ll a, ll b) { return (a + b - 1) / b; } ll maxi(ll a,ll b){ return (a>b)?a:b; } ll mini(ll a,ll b){ return (a<b)?a:b; } long double nthRoot(ll A, ll N) { long double xPre = rand() % 10; long double eps = 1e-3; long double delX = INT_MAX; long double xK; while (delX > eps) { xK = ((N - 1.0) * xPre + (long double)A/pow(xPre, N-1)) / (long double)N; delX = abs(xK - xPre); xPre = xK; } return xK; } ll powe(ll x, unsigned ll y) { ll res = 1; // Initialize result // Update x if it is more than or // equal to p while (y > 0) { // If y is odd, multiply x with result if (y & 1) res = (res*x); // y must be even now y = y>>1; // y = y/2 x = (x*x); } return res; } bool isInteger( long double value ) { long double flr = floor( value + 1e-5 ); long double diff = value - flr; return diff < 1e-5; } void solve(){ ll n; cin>>n; ll arr[n]; ll i; ll x=0,y=0; for(i=0;i<n;i++){ cin>>arr[i]; x+=abs(arr[i]); y+=abs(arr[i])*abs(arr[i]); arr[i]=abs(arr[i]); } cout<<x<<endl; cout<<fixed<<setprecision(15)<<(long double)sqrt(y)<<endl; cout<<*max_element(arr,arr+n); } int32_t main(){ ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0); ll t=1; // cin>>t; while(t--){ solve(); } }
#include <bits/stdc++.h> using namespace std; #define all(x) (x).begin(),(x).end() #define rep(i, n) for (int i = 0; i < (n); i++) #define endl "\n" typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; template <typename T> ostream &operator<<(ostream &os, const vector<T> &vec) {os << "["; for (const auto &v : vec) {os << v << ","; } os << "]"; return os;} template <typename T, typename U> ostream &operator<<(ostream &os, const pair<T, U> &p) {os << "(" << p.first << ", " << p.second << ")"; return os;} double h0(long double P, int N, int M, unordered_set<int> &A) { vector<long double> h(N + M + 1); for (int i = 0; i <= M; i++) { h[N + i] = 0; } long double sum = 0; for(int i = N - 1; i >= 0; i--) { if (A.find(i) != A.end()) { h[i] = P; } else { h[i] = sum / M + 1.0; } sum += h[i]; sum -= h[i + M]; } return h[0]; } void solve() { int N, M, K; cin >> N >> M >> K; vector<int> A(K), B(100001); for (int i = 0; i < K; i++) { cin >> A[i]; B[A[i]]++; } int cnt = 0; for (int i = 0; i < 100001; i++) { if (B[i]) cnt++; else cnt = 0; if (cnt >= M) { cout << -1 << endl; return; } } unordered_set<int> A_; for (int i = 0; i < K; i++) { A_.insert(A[i]); } long double ok = 0.0; long double ng = 8e10; for (int k = 0; k < 60; k++) { long double P = (ok + ng) / 2; if (h0(P, N, M, A_) <= P) { ng = P; } else { ok = P; } } cout << ok << endl; } int main() { #ifdef LOCAL_ENV cin.exceptions(ios::failbit); #endif cin.tie(0); ios::sync_with_stdio(false); cout.setf(ios::fixed); cout.precision(16); solve(); }
#include <iostream> #include <stack> #include <string> #include <vector> #pragma warning(disable:4996) using namespace std; #define int long long stack<int>way; int N,M,K; double ex[200100]; double ep[200100]; double epex[200100]; vector<pair<int, int>>x; signed main() { ios_base::sync_with_stdio(false); cin >> N>>M >> K; int i; for (i = 0; i < K; i++) { int a; cin >> a; ep[a] = 1; } for (i = N; i <= N + M; i++) { ex[i] = 0; } double curex = 0, curep = 0,expex=0; for (i = N - 1; i >= 0; i--) { int isb = ep[i] >= 0.99999999; if (isb) goto T; ep[i] = curep; if (ep[i] <=0.999999999) { ex[i] = ((curex))/(M-curep*M)+1; if(curep>0) epex[i] = expex / (curep*M)+1; } else { if (!isb) { if (curep > 0) epex[i] = expex / (curep*M) + 1; } } T: curex -= ex[i + M]*(1-ep[i+M]); curep -= ep[i + M]/M; expex -= epex[i + M]*ep[i+M]; curex += ex[i]*(1-ep[i]); curep += ep[i]/M; expex += epex[i]*ep[i]; } i = 0; if (ep[i] >= 0.99999999) cout << -1; else { cout << ((1 - ep[i]) * ex[i] +epex[i]*ep[i]) / (1 - ep[i]); } }
#include <bits/stdc++.h> using namespace std; #define IO ios::sync_with_stdio(0);cin.tie(0);cout.tie(0); #define whilet int T;cin>>T;while(T--) #define clr(a,x) memset(a,x,sizeof(a)); #define ll long long #define PI 3.1415926535897932384626 #define mp make_pair #define fi first #define se second #define pb push_back #define endl "\n" typedef vector<int> vi; typedef vector<vi> vvi; typedef pair<int,int> ii; int d4x[] = {0, 0, 1, -1}; int d4y[] = {1, -1, 0, 0}; int d8x[] = {-1, -1, -1, 0, 0, 1, 1, 1}; int d8y[] = {-1, 0, 1, -1, 1, -1, 0, 1}; const int MOD = (int) 1e9+7; int h, w; string s[2005]; ll dp[2005][2005]; ll up[2005][2005], rr[2005][2005], dd[2005][2005]; ll f() { for(int i = h-1; i >= 0; i--) { for(int j = w-1; j >= 0; j--) { if(i == h-1 and j == w-1) { dp[i][j] = 1; up[i][j] = 1; rr[i][j] = 1; dd[i][j] = 1; continue; } if(s[i][j] == '#') { dp[i][j] = 0; up[i][j] = 0; rr[i][j] = 0; dd[i][j] = 0; continue; } int res = 0; if(i+1 < h) res += up[i+1][j]; res %= MOD; if(j+1 < w) res += rr[i][j+1]; res %= MOD; if(i+1 < h and j+1 < w) res += dd[i+1][j+1]; res %= MOD; dp[i][j] = res; if(i+1 < h) up[i][j] = dp[i][j] + up[i+1][j]; else up[i][j] = dp[i][j]; up[i][j] %= MOD; if(j+1 < w) rr[i][j] = dp[i][j] + rr[i][j+1]; else rr[i][j] = dp[i][j]; rr[i][j] %= MOD; if(i+1 < h and j+1 < w) dd[i][j] = dp[i][j] + dd[i+1][j+1]; else dd[i][j] = dp[i][j]; dd[i][j] %= MOD; } } return dp[0][0]; } int main() { IO; cin >> h >> w; for(int i = 0; i < h; i++) { cin >> s[i]; } clr(dp, -1); cout << f(); return 0; }
#include<iostream> #include<vector> using namespace std; typedef long long li; #define MOD 1000000007 #define rep(i,n) for(int i=0;i<(n);i++) #define df 0 template<class T> void print(const T& t){ cout << t << "\n"; } template<class T, class... Ts> void print(const T& t, const Ts&... ts) { cout << t; if (sizeof...(ts)) cout << " "; print(ts...); } // Container コンテナ型, map以外 template< template<class ...> class Ctn,class T> std::ostream& operator<<(std::ostream& os,const Ctn<T>& v){ auto itr=v.begin(); while(itr!=v.end()){ if(itr!=v.begin())cout << " "; cout << *(itr++); } return os; } struct modint{ li num; modint(li a=0){ num=(a%MOD+MOD)%MOD; } modint operator+(modint a) {return{(num+a.num)%MOD};} modint operator-(modint a) {return{((num-a.num)%MOD+MOD)%MOD};} modint operator*(modint a) {return{num*a.num%MOD};} modint inv(const modint& a); modint operator/(modint a) {return (*this)*inv(a);} modint& operator+=(modint a) { (num += a.num)%=MOD; return *this; } modint& operator-=(modint a) { (num += MOD-a.num)%=MOD; return *this; } modint& operator*=(modint a) { (num*=a.num)%=MOD; return *this; } }; std::ostream& operator<<(std::ostream& os, const modint& m){ // ここでストリームに obj を書き込みます。 li a=m.num; a%=MOD; a+=MOD; a%=MOD; cout << a; return os; } std::istream& operator>>(std::istream& os,modint& m){ // ここでストリームに obj を書き込みます。 li a; cin >>a; m=a; return os; } int main(){ int h,w; cin >>h >>w; vector<string> mp(h); rep(i,h) cin >>mp[i]; auto judge= [&](int i,int j){ if(i<0 or j<0) return 0; if(mp[i][j]=='#') return 0; return 1; }; vector<vector<modint>> dp(h,vector<modint>(w,0)); vector<vector<modint>> tt(h,vector<modint>(w,0)); vector<vector<modint>> yk(h,vector<modint>(w,0)); vector<vector<modint>> nn(h,vector<modint>(w,0)); dp[0][0]=tt[0][0]=yk[0][0]=nn[0][0]=1; rep(i,h) rep(j,w){ if(!judge(i,j))continue; int ii=i-1,jj=j-1; if(df)print("i,j",i,j); if(judge(ii,jj)) dp[i][j]+=nn[ii][jj]; if(df)if(judge(ii,jj)) print("nn",nn[ii][jj],dp[i][j]); if(judge(i,jj)) dp[i][j]+=yk[i][jj]; if(df)if(judge(i,jj)) print("yk",yk[i][jj],dp[i][j]); if(judge(ii,j)) dp[i][j]+=tt[ii][j]; if(df)if(judge(ii,j)) print("tt",tt[ii][j],dp[i][j]); tt[i][j]=yk[i][j]=nn[i][j]=dp[i][j]; if(judge(ii,jj)) nn[i][j]+=nn[ii][jj]; if(judge(i,jj)) yk[i][j]+=yk[i][jj]; if(judge(ii,j)) tt[i][j]+=tt[ii][j]; if(df){ if(df)print("dp"); rep(i,h) print(dp[i]); if(df)print("tt"); rep(i,h) print(tt[i]); if(df)print("yk"); rep(i,h) print(yk[i]); if(df)print("nn"); rep(i,h) print(nn[i]); } } if(df){ if(df)print("dp"); rep(i,h) print(dp[i]); if(df)print("tt"); rep(i,h) print(tt[i]); if(df)print("yk"); rep(i,h) print(yk[i]); if(df)print("nn"); rep(i,h) print(nn[i]); } print(dp[h-1][w-1]); }
#include <bits/stdc++.h> using namespace std; typedef long long ll; //int:2*10**9 typedef long double ld; typedef pair<ll,ll> P; #define REP(i,n) for(ll i = 0; i<(ll)(n); i++) #define FOR(i,a,b) for(ll i=(a);i<=(b);i++) #define FORD(i,a,b) for(ll i=(a);i>=(b);i--) #define pb push_back #define MOD 1000000007 //998244353 #define PI 3.141592653 #define INF 100000000000000 //14 //cin.tie(0);cout.tie(0);ios::sync_with_stdio(false); #define N 100100 vector<vector<ll>> conn(N); vector<vector<ll>> ansc(N,vector<ll>(3,0)); void dfs(ll now, ll prev) { ll first = 1; ll second = 0; ll third = 1; ll secondf = 0; ll seconds = 0; vector<vector<ll>> ones; for (ll nex : conn[now]) { // cout << now << " " << nex << endl; if (nex==prev) continue; dfs(nex,now); ll pfirst = ansc[nex][0]; ll psecond = ansc[nex][1]; ll pthird = ansc[nex][2]; third += pthird; if (pthird==0) { if (pfirst<=psecond) { first += pfirst; second += psecond; } else { secondf += pfirst; seconds += psecond; } } else { ones.pb({pfirst-psecond,pfirst,psecond}); } } third%=2; // cout << now << " " << first << " " << second << " " << third << endl; if (third%2) { first += secondf; second += seconds; } else { second += secondf; first += seconds; } sort(ones.begin(),ones.end()); REP(i,ones.size()) { if (i%2==0) { first += ones[i][1]; second += ones[i][2]; } else { first += ones[i][2]; second += ones[i][1]; } } ansc[now]={first,second,third}; return; } int main(){ ll n; cin >> n; REP(i,n-1) { ll p; cin >> p; p--; conn[i+1].pb(p); conn[p].pb(i+1); } dfs(0,-1); // REP(i,n) { // cout << ansc[i][0] << " " << ansc[i][1] << " " << ansc[i][2] << endl; // } cout << ansc[0][0] << endl; return 0; }
#include<bits/stdc++.h> using namespace std; #define int long long #define For(i,a,b) for(register int i=a;i<=b;++i) #define Down(i,a,b) for(register int i=a;i>=b;i--) #define reg register namespace yspm{ inline int read(){ int res=0,f=1; char k; while(!isdigit(k=getchar())) if(k=='-') f=-1; while(isdigit(k)) res=res*10+k-'0',k=getchar(); return res*f; } const int N=1e5+10; inline int min(int x,int y){return x<y?x:y;} inline int max(int x,int y){return x>y?x:y;} inline void swap(int &x,int &y){int t=x; x=y; y=t; return ;} vector<int>g[N]; int sz[N],f[N],n; inline void dfs(int x){ sz[x]=1; vector<int> ev,od; f[x]=-1; for(auto t:g[x]) dfs(t),sz[x]^=sz[t],sz[t]?od.push_back(f[t]):ev.push_back(f[t]); sort(od.begin(),od.end()); reverse(od.begin(),od.end()); sort(ev.begin(),ev.end()); reverse(ev.begin(),ev.end()); int ne=0,no=0,fl=0; while(ne<ev.size()&&ev[ne]>0) f[x]+=ev[ne],++ne; while(no<od.size()) fl?f[x]-=od[no]:f[x]+=od[no],++no,fl^=1; while(ne<ev.size()) fl?f[x]-=ev[ne]:f[x]+=ev[ne],++ne; return ; } signed main(){ n=read(); for(reg int i=2,tf;i<=n;++i) tf=read(),g[tf].push_back(i); dfs(1); printf("%lld\n",(n-f[1])/2); return 0; } } signed main(){return yspm::main();}
#define _GIBCXX_DEBUG #include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (n); ++i) #define all(v) v.begin(), v.end() using namespace std; using ll = long long; int main(void) { ll N; cin >> N; ll num = 2 << (N-1); vector<pair<int, int>> A(num); rep(i, num) { A[i].first = i + 1; cin >> A[i].second; } num /= 2; for (int i = 0; i < N - 1; ++i) { for (int j = 0; j < num; ++j) { if (A[j * 2].second > A[j * 2 + 1].second) { A[j].first = A[j * 2].first; A[j].second = A[j * 2].second; } else { A[j].first = A[j * 2 + 1].first; A[j].second = A[j * 2 + 1].second; } } } if (A[0].second < A[1].second) { cout << A[0].first << endl; } else { cout << A[1].first << endl; } return 0; }
#include<bits/stdc++.h> #define ll long long #define inf 1e18 #define mod 1000000007 using namespace std; int main() { ll n; cin>>n; vector<ll> a; n=pow(2,n); a.resize(n); unordered_map<ll,ll> ump; for(ll p=0;p<n;p++) { cin>>a[p]; ump[a[p]]=p; } ll max1=0; ll max2=0; for(ll p=0;p<n/2;p++) { max1=max(max1,a[p]); } for(ll p=n/2;p<n;p++) { max2=max(max2,a[p]); } // cout<<min(max1,max2)<<endl; cout<<ump[min(max1,max2)]+1<<endl; }
#include<bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> pint; typedef vector<int> vi; typedef vector<ll> vll; #define all(v) v.begin(), v.end() #define rep(i,s,n) for(int i=(int)(s);i<(int)(n);i++) #define lep(i,s,n) for(ll i=(ll)(s);i<(ll)(n);i++) #define vep(v) for(auto&& x : v) #define sz(s) (int)(s.size()) template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; } using graph = vector<vector<int>>; int main(){ string s; cin >> s; int n = sz(s), cnt = 0, ans; vi p(3); rep(i, 0, n){ int q = s[i]-'0'; q%=3; cnt += q; p[q]++; } cnt%=3; if(cnt==0){ cout << 0 << endl; return 0; } if(cnt==2){ if(p[2])ans = 1; else if(p[1]>=2)ans = 2; else ans = -1; } else if(cnt==1){ if(p[1])ans = 1; else if(p[2]>=2)ans = 2; else ans = -1; } if(ans>=n)cout << -1 << endl; else cout << ans << endl; }
#include <iostream> #include <vector> using namespace std; int main() { string s; cin >> s; vector<int>a(10,0); int sum=0; for(int i=0; i<s.size(); i++){ sum += s[i]-'0'; a[s[i]-'0']++; } if(sum%3==0){ cout << 0 << endl; return 0; }else if(sum%3==1){ if(s.size()==1){ puts("-1"); }else if(a[1]||a[4]||a[7]){ cout << 1 << endl; }else if(s.size()==2){ puts("-1"); }else if(a[2]>=1&&a[5]>=1){ cout << 2 << endl; }else if(a[2]>=1&&a[8]>=1){ cout << 2 << endl; }else if(a[8]>=1&&a[5]>=1){ cout << 2 << endl; }else if(a[2]>=2){ cout << 2 << endl; }else if(a[5]>=2){ cout << 2 << endl; }else if(a[8]>=2){ cout << 2 << endl; }else{ puts("-1"); } }else{ if(s.size()==1){ puts("-1"); }else if(a[2]||a[5]||a[8]){ cout << 1 << endl; }else if(s.size()==2){ puts("-1"); }else if(a[1]>=1&&a[4]>=1){ cout << 2 << endl; }else if(a[1]>=1&&a[7]>=1){ cout << 2 << endl; }else if(a[4]>=1&&a[7]>=1){ cout << 2 << endl; }else if(a[1]>=2){ cout << 2 << endl; }else if(a[4]>=2){ cout << 2 << endl; }else if(a[7]>=2){ cout << 2 << endl; }else{ puts("-1"); } } return 0; }
#include<bits/stdc++.h> using i28 = __int128_t; using namespace std; // using i28 = long long; using pint = pair<i28,i28>; const i28 G = 10000; const i28 lim = 2e9; // #include"debug.hpp" ostream &operator<<(ostream &dest, __int128_t value) { ostream::sentry s(dest); if (s) { __uint128_t tmp = value < 0 ? -value : value; char buffer[128]; char *d = std::end(buffer); do { --d; *d = "0123456789"[tmp % 10]; tmp /= 10; } while (tmp != 0); if (value < 0) { --d; *d = '-'; } int len = std::end(buffer) - d; if (dest.rdbuf()->sputn(d, len) != len) { dest.setstate(ios_base::badbit); } } return dest; } __int128 parse(string &s) { __int128 ret = 0; for (int i = 0; i < (int)s.length(); i++) if ('0' <= s[i] && s[i] <= '9') ret = 10 * ret + s[i] - '0'; return ret; } istream &operator>>(istream &is, __int128_t &a){ string s; is>>s; a = parse(s); return (is); } // using Int = __int128_t; i28 in() { string s; cin >> s; auto itr = find(s.begin(), s.end(), '.'); if(itr == s.end()) return stoi(s) * G; i28 idx = s.end() - itr; s.erase(itr); if(count(s.begin(), s.end(), '0') == (i28)s.size()) return 0; while(s.front() == '0') s.erase(s.begin()); i28 x = stoi(s); i28 coef = 1; for(i28 i = 0; i < 5 - idx; i++)coef *= 10; return x * coef; } i28 f(i28 rem, i28 y) { i28 lower, upper; { //lower i28 lef = -1e18, rig = y; //xxxxooo while(rig - lef > 1) { i28 mid = (lef + rig) / 2; (mid * (mid - 2 * y) <= rem ? rig : lef) = mid; } lower = rig; } { i28 lef = y, rig = 1e18; //oooooxxx while(rig - lef > 1) { i28 mid = (lef + rig) / 2; (mid * (mid - 2 * y) <= rem ? lef : rig) = mid; } upper = lef; } auto myci = [&](i28 num) { if(num <= 0) return -(-num + G - 1) / G; else return num / G; }; i28 lownum = myci(lower-1); i28 uppnum = myci(upper); // print(lower, upper, lownum, uppnum); return uppnum - lownum; } int main() { i28 x, y, r; x = in(); y = in(); r = in(); // print(x, y, r); i28 r2 = (i28)r * r; i28 num = 0; for(i28 t1 = -lim; t1 <= lim; t1 += G) { i28 xa = (i28)(t1 - x) * (t1 - x); if(xa > r2) continue; // print(t1); i28 rem = r2 - xa; // print(rem); rem -= (i28)y * y; num += f(rem, y); // print(num, rem); } cout << num << endl; }
#include <algorithm> #include <iostream> #include <vector> #include <map> #include <cstdio> #include <string> #include <cmath> #include <queue> #include <tuple> #include <bitset> #include <cassert> #include <chrono> #include <cstring> #include <iomanip> #include <iostream> #include <random> #include <set> #include <stack> #include <time.h> #include <unordered_map> //#include <bits/stdc++.h> #define maxs(x,y) x = max(x,y) #define mins(x,y) x = min(x,y) #define rep(i,n) for(int (i)=0;(i)<(n);(i)++) #define repr(i, n) for (int i = (n) - 1; i >= 0; i--) #define FOR(i,i0,n) for(int (i)=(i0);(i)<(n);(i)++) #define FORR(i,i0,n) for(int (i)=(n)-1; (i)>=(i0);(i)--) #define SORT(x) sort(x.begin(),x.end()) #define SORTR(x) sort(x.begin(),x.end(),greater<int>()) #define fi first #define se second #define pb push_back #define eb emplace_back #define mp make_pair #define mt make_tuple using namespace std; using ll = long long; typedef std::pair<int, int> pii; typedef std::pair<int, double> pid; typedef std::vector<int> vi; typedef std::vector<pii> vii; #define PI 3.14159265358979323846264338327950L const int mod = 1000000007; struct container{ int bottom, top, id; container(int id, int bottom, int top): top(top), bottom(bottom),id(id){ } }; struct Data { int ind; ll time; Data(int ind,ll time): ind(ind),time(time){} bool operator<(const Data& a) const { return time > a.time; } }; void solve(){ int n; cin >> n; string s; cin >> s; n = s.size(); int cnt = 0; string cur; for(int i = 0; i < n; i++){ cur += s[i]; while (cur.size()>=3 && cur.substr(cur.size()-3) == "fox"){ cur.pop_back(); cur.pop_back(); cur.pop_back(); cnt++; } } cout << n-cnt*3; } int main() { int T = 1; //cin >> T; while (T--){ solve(); } }
#include <bits/stdc++.h> using namespace std; typedef int int2; #define int long long #define pi pair<int, int> #define pb push_back #define mp make_pair #define eb emplace_back #define f first #define s second const int inf = 1e18; int t; const int maxn = 2e5 + 5; int a[maxn], suf[maxn]; int2 main() { ios::sync_with_stdio(0); cin.tie(0); int n; cin >> n; for (int i = 1;i <= n; i++) { cin >> a[i]; } sort(a + 1, a + n + 1); suf[n] = a[n]; for (int i = n - 1; i >= 1; i--) { suf[i] = suf[i + 1] + a[i]; } int ans = 0; for (int i = 1; i < n; i++) { ans += suf[i + 1] - (n - i) * a[i]; } cout << ans << "\n"; }
#include <iostream> #include <bits/stdc++.h> using namespace std; #define ll long long int int main() { int n; cin>>n; ll ans=0; while(n--) { ll a,b; cin>>a>>b; ans+=b*(b+1)/2-a*(a-1)/2; } cout<<ans; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int a, b, x, y; cin >> a >> b >> x >> y; const int y_ = min(y, x + x); a = 2 * a; b = 2 * b + 1; int d = abs(a - b); cout << d / 2 * y_ + d % 2 * x << endl; return 0; }
#include <bits/stdc++.h> using namespace std; template <typename T> using vec = vector<T>; template <typename T> using vvec = vector<vector<T>>; template <typename T> using lqueue = priority_queue<T, vector<T>, greater<T>>; template <typename T> using gqueue = priority_queue<T, vector<T>, less<T>>; int main() { constexpr int A = 0, B = 1; int a, b, x, y; cin >> a >> b >> x >> y; --a; --b; auto edges = [=](int b, int n) -> array<array<int, 3>, 4> { if (b == A) { return {{ { x, B, n }, { x, B, n - 1 }, { y, A, n - 1 }, { y, A, n + 1 }, }}; } else { return {{ { x, A, n }, { x, A, n + 1 }, { y, B, n - 1 }, { y, B, n + 1 }, }}; } }; array<array<int, 100>, 2> dist; lqueue<array<int, 3>> que; for (auto &e1 : dist) for (auto &e2 : e1) e2 = -1; que.push({ 0, A, a }); while (!que.empty()) { auto [c, b, n] = que.top(); que.pop(); if (dist[b][n] != -1) continue; dist[b][n] = c; for (auto [nc, nb, nn] : edges(b, n)) { if (nn < 0 || 99 < nn) continue; que.push({ c + nc, nb, nn }); } } cout << dist[B][b] << endl; }
/* ** author : Dhiraj Govindvira ** date : 08 May 2021 ~ Saturday ** time : 05:35:49 PM */ #include <bits/stdc++.h> using namespace std; #ifdef DHIRAJ #include "D:/dhiraj/Programming/debug.h" #else #define dbg(...) 1 #define cerr if(0) cerr #endif using ll = long long int; #define endl '\n' template <typename T, typename U> inline istream & operator >> (istream &in, pair<T, U> &p) { in >> p.first >> p.second; return in; } template <typename T> inline istream & operator >> (istream &in, vector<T> &v) { for(T &x : v) in >> x; return in; } // count total non empty subset with given sum const ll MX = 202; ll n; ll a[MX]; ll dp[MX][MX]; const ll MOD = 200; inline ll md(ll x, ll M = MOD) { x %= M; return ((x < 0) ? (x + M) : x); } ll rec(ll item, ll sum) { assert(sum < 200); if(item == 0) return sum == 0; ll &ans = dp[item][sum]; if(ans != -1) return ans; ans = 0; ans += rec(item - 1, md(sum - a[item])); ans += rec(item - 1, sum); ans = min(5ll, ans); return ans; } void f1(ll item, ll sum, vector<ll> &v) { if(item == 0) { return; } if(v.empty() and rec(item - 1, a[item]) > 1) { v.push_back(item); f1(item - 1, md(sum - a[item]), v); } else if(rec(item - 1, sum)) { f1(item - 1, sum, v); } else { v.push_back(item); f1(item - 1, md(sum - a[item]), v); } } void f2(ll item, ll sum, vector<ll> &v) { if(item == 0) { return; } if(rec(item - 1, md(sum - a[item]))) { v.push_back(item); f2(item - 1, md(sum - a[item]), v); } else { f2(item - 1, sum, v); } } void solve(ll &tc) { cin >> n; for(ll i = 1; i <= n; i++) { cin >> a[i]; a[i] = md(a[i]); } memset(dp, -1, sizeof(dp)); for(ll i = 0; i < 200; i++) { ll cnt = rec(n, i); assert(cnt >= 0); if(i == 0) cnt--; if(cnt > 1) { vector<ll> b, c; f1(n, i, b); f2(n, i, c); ll sm1 = 0; for(ll x : b) { sm1 += a[x]; sm1 = md(sm1); } ll sm2 = 0; for(ll x : c) { sm2 += a[x]; sm2 = md(sm2); } sort(b.begin(), b.end()); sort(c.begin(), c.end()); if(!b.empty() and !c.empty() and b != c and sm1 == i and sm2 == i) { cout << "Yes\n"; cout << b.size() << " "; for(auto &X : b) { cout << X << " "; } cout << endl; cout << c.size() << " "; for(auto &X : c) { cout << X << " "; } cout << endl; return; } } } cout << "No\n"; } int main() { #ifdef DHIRAJ freopen("D:/dhiraj/Programming/i1.txt", "r", stdin); freopen("D:/dhiraj/Programming/o1.txt", "w", stdout); freopen("D:/dhiraj/Programming/e1.txt", "w", stderr); #endif ios::sync_with_stdio(0); cin.tie(0); ll rep = 3; while(rep--) { ll tc = 1; for(ll i = 1; i <= tc; i++) { cerr << "Case #" << i << "\n"; solve(i); } if(dbg()) break; } return 0; }
#include <bits/stdc++.h> typedef long long ll; typedef long double ld; #define fr(i, a, b) for (ll i = a; i < b; i++) #define rf(i, a, b) for (ll i = a; i >= b; i--) typedef std::vector<long long> vi; #define F first #define S second #define fast \ ios_base::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0); #define mod 1000000007 #define PB push_back #define MP make_pair #define PI 3.14159265358979323846 #define all(a) a.begin(), a.end() #define mx(a) *max_element(all(a)) #define mn(a) *min_element(all(a)) const ll INF = LLONG_MAX / 2; const ll N = 2e5 + 1; using namespace std; void solve() { ll n; cin >> n; ll a[n]; map<ll, ll> mp; ll ans = -1; fr(i, 0, n) { cin >> a[i]; a[i] = a[i] % 200; mp[a[i]]++; if (mp[a[i]] > 1) { ans = a[i]; break; } } if (ans != -1) { cout << "Yes\n"; ll co = 0; fr(i, 0, n) { if (a[i] == ans) { co++; cout << "1 " << i + 1 << "\n"; if (co == 2) return; } } } else { map<ll, vi> mp; for (ll i = 0; i < min((2 << n), 201); i++) { vi subset; ll sum = 0; fr(j, 0, n) { ll c = 1 << j; if (c & i) { subset.PB(j); sum = (sum + a[j]) % 200; } } if (subset.size() == 0) continue; if (mp.find(sum) == mp.end()) mp[sum] = subset; else if (subset != mp[sum]) { // cout << sum << "\n"; cout << "Yes\n"; cout << mp[sum].size() << " "; fr(i, 0, mp[sum].size()) cout << mp[sum][i] + 1 << " "; cout << "\n"; cout << subset.size() << " "; fr(i, 0, subset.size()) cout << subset[i] + 1 << " "; cout << "\n"; return; } } cout << "No\n"; return; } } int main() { fast; ll t = 1; // std::cin >> t; while (t--) { solve(); } }
#include<bits/stdc++.h> typedef int64_t i64; typedef long double f128; using namespace std; template<typename T> void scan(T& n) { cin>>n; return; } void scan() { return; } template<typename T,class... Args> void scan(T& n,Args&... args) { scan(n); scan(args...); return; } template<typename T> void scan_array(T start,T end) { T now=start; for(;now!=end;++now) { scan(*now); } return; } template<typename T> void print(T n) { cout<<n; return; } template<typename T> void println(T n) { print(n); print('\n'); return; } template<typename T,class... Args> void println(T n,Args... args) { print(n); print(' '); println(args...); return; } template<typename T> void print_array(T start,T end) { T now=start; print(*now); ++now; for(;now!=end;++now) { print(' '); print(*now); } print('\n'); return; } i64 pow_mod(i64 a,i64 n,i64 mod) { i64 res=1,now=a; while(n) { if(n&1) { res=res*now%mod; } now=now*now%mod; n>>=1; } return res; } i64 inv_mod(i64 a,i64 mod) { return pow_mod(a,mod-2,mod); } i64 power(i64 a,i64 n) { i64 res=1; for(i64 i=0;i<n;++i) { res*=a; } return res; } bool is_prime(i64 N) { if(N<2) { return 0; } for(i64 i=2;i*i<=N;++i) { if(N%i==0) { return 0; } } return 1; } struct combination { vector<i64> fact,inv,fact_inv; i64 mod=-1; combination(int Max,const i64 mod_):fact(Max+1,1),inv(Max+1,1),fact_inv(Max+1,1) { mod=mod_; for(i64 i=2;i<=Max;++i) { fact[i]=fact[i-1]*i%mod; inv[i]=mod-(mod/i*inv[mod%i]%mod); fact_inv[i]=fact_inv[i-1]*inv[i]%mod; } } i64 nCk(i64 n,i64 k) { if(n<k) { return 0; } return fact[n]*fact_inv[k]%mod*fact_inv[n-k]%mod; } }; i64 comb(i64 n,i64 k) { if(n<k) { return 0; } i64 res=1; for(i64 i=1;i<=k;++i) { res*=n-i+1; res/=i; } return res; } int main() { string S; scan(S); reverse(S.begin(),S.end()); for(size_t i=0;i<S.size();++i) { if(S[i]=='6') { S[i]='9'; continue; } if(S[i]=='9') { S[i]='6'; } } println(S); return 0; }
#include <iostream> using namespace std; typedef long long ll; const ll INF=2e18; ll clamp(ll x, ll min, ll max) { if (x>max) { return max; } if (x<min) { return min; } return x; } int main() { ll n; cin>>n; ll low=-INF; ll high=INF; ll bias=0; for (ll i=1; i<=n; i++) { ll a,t; cin>>a>>t; if (1==t) { low+=a; high+=a; bias+=a; } else if (2==t) { low=max(low, a); high=max(high,a); } else { low=min(low, a); high=min(high, a); } } ll q; cin>>q; for (ll i=1; i<=q; i++) { ll x; cin>>x; cout<<clamp(x+bias, low, high)<<"\n"; } return 0; }
/* @author : ashnove */ #include <bits/stdc++.h> using namespace std; #define ll long long int #define lld long double #define F first #define S second #define Th third // #define endl "\n" #define nl cout << endl; #define pb push_back #define f(i, a, b) for (ll i = a; i < b; i++) #define what_is(x) cerr << #x << " is " << x << endl; #define ar vector<ll> #define mat vector<vector<ll>> mat cn(ll n, ll m) {return vector<vector<ll>>(n, vector<ll>(m));} bool comp1(char &allVal, char &s2) { return allVal > s2; } bool comp2(const pair<ll, pair<ll, ll>> &a, const pair<ll, pair<ll, ll>> &b) { if (a.first > b.first) return 1; if (a.first == b.first && a.S.S > b.S.S) return 1; return 0; } class Pair { public: ll first, second;}; bool comp3(const Pair &a, const Pair &b) { if (a.F > b.F) return 1; return 0; } class Trips { public: ll first, second, third;}; bool comp4(const Trips &a, const Trips &b) { if (a.Th > b.Th) return 1; return 0; } ll const mod = 1e9 + 7; ll const inf = 1e9; ll const maxn = 5e5 + 1; void solve() { ll t = 1; // cin >> t; for (ll tt = 1; tt <= t; tt++) { string s; cin >> s; ll rev = 0; deque<char> ans; for(ll i = 0; i < s.size(); i++){ if(s[i] == 'R') rev^=1; else{ if(rev){ ans.push_front(s[i]); } else ans.push_back(s[i]); } } string res = ""; if(!rev){ map<char,ll> used; while(!ans.empty()){ // if(used[ans.front()]) {ans.pop_front();continue;} used[ans.front()] = 1; res += ans.front(); ans.pop_front(); } }else{ map<char,ll> used; while(!ans.empty()){ // if(used[ans.back()]) {ans.pop_back();continue;} used[ans.back()] = 1; res += ans.back(); ans.pop_back(); } } stack<char> ss; for(ll i = 0; i < res.size(); i++){ if(ss.empty()) ss.push(res[i]); else{ bool ok = 0; while(!ss.empty() && ss.top() == res[i]) ss.pop(), ok = 1; if(!ok) ss.push(res[i]); } } string pp = ""; while(!ss.empty()) { pp+=ss.top(); ss.pop(); } for(ll i = pp.size()-1; i >= 0; i--) cout <<pp[i]; } } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); //* #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif/**/ solve(); // cout << "Case #" <<tt<<": "; // printf("TIME: %.3lf\n", double(clock()) / CLOCKS_PER_SEC); return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define rep(i,n) for(int i=0;i<n;i++) #define PI 3.14159265359 #define mod 1000000007 #define ALL(a) (a).begin(),(a).end() int main(){ string s; cin >> s; string a = ""; string b = ""; int count = 0; rep(i,s.size()){ if(s[i] == 'R'){ count++; continue; } if(count % 2 == 0){ a+=s[i]; } else{ b+=s[i]; } } reverse(ALL(b)); b = b + a; if(count % 2 == 1)reverse(ALL(b)); string ans = ""; rep(i,b.size()){ ans += b[i]; if(ans[ans.size() -1] == ans[ans.size() -2] ){ ans.pop_back(); ans.pop_back(); } } cout << ans << endl; }
#include <iostream> #include <numeric> #include <vector> #include <algorithm> #include <iostream> #include <functional> #include <cstdlib> #include <cmath> #include <utility> #include <cmath> long long FindCentral(std::vector<std::vector<long long>> &A, long long K, long long si, long long sj, std::vector<long long> &AK) { long long index = 0; for(long long i = si; i < (si + K); i++){ for(long long j = sj; j < (sj + K); j++){ AK[index] = A[j][i]; index++; } } std::sort(AK.begin(), AK.end()); //std::cout << AK[(K*K)/2 -1] << std::endl; long long t = 0; if((((K*K)) % 2) == 0){ t = -1; } return AK[(K*K)/2 + t]; } long long FindCentral2(std::vector<std::vector<long long>> &A, long long K, long long si, long long sj, std::vector<long long> &AK, long long & index) { for(long long j = sj; j < (sj + K); j++){ AK[index] = A[j][si]; index++; if(index == K*K){ index = 0; } } std::sort(AK.begin(), AK.end()); for(long long i = 0 ; i < K*K; i++){ std::cout << AK[i] << " "; } long long t = 0; if((((K*K)) % 2) == 0){ t = -1; } std::cout << AK[(K*K)/2 + t] << std::endl; return AK[(K*K)/2 + t]; } long long find_max_dp(long long N, std::vector<long long> &num_list, long long MAX_NUM) { int tmp_choice, tmp_not_choice; std::vector<std::vector<long long>> table(N, std::vector<long long>(MAX_NUM+1, 0)); // DP表の一番上(i = 0)を初期化 for(int j = 0; j <= MAX_NUM; j += 1) { if(num_list[0] > j) { table[0][j] = 0; // 何も入れられないとき } else { table[0][j] = num_list[0]; // 0番目の数字を足せるとき } } for(int i = 1; i < N; i += 1) { for(int j = 0; j <= MAX_NUM; j += 1) { tmp_not_choice = table[i-1][j]; if(num_list[i] > j) { table[i][j] = tmp_not_choice; } else { tmp_choice = table[i-1][j - num_list[i]] + num_list[i]; if(tmp_choice >= table[i-1][j]) table[i][j] = tmp_choice; else table[i][j] = tmp_not_choice; } } } return table[N-1][MAX_NUM]; } int main() { long long N; std::cin >> N; long long Tsum = 0; std::vector<long long> T(1001, 0); std::vector<long long> T2(N, 0); for(long long i = 0; i < N; i++){ long long temp; std::cin >> temp; T2[i] = temp; Tsum += temp; T[temp]++; } std::sort(T2.begin(), T2.end()); long long ans = find_max_dp(N, T2, Tsum/2); ans = Tsum - ans; std::cout << ans << std::endl; return 0; }
#include<bits/stdc++.h> #define forn(i,a,b)for(int i=(a),_b=(b);i<=_b;i++) #define fore(i,b,a)for(int i=(b),_a=(a);i>=_a;i--) #define rep(i,n)for(int i=0,_n=n;i<n;i++) #define ll long long #define pii pair<int,int> #define m_p make_pair #define pb push_back #define fi first #define se second #define foreach(i,c) for(__typeof(c.begin())i=(c.begin());i!=(c).end();i++) using namespace std; const int N=110; int n; int a[N]; bool dp[N][N*2000]; int sum=0; int main(){ ios::sync_with_stdio(0); cin>>n; forn(i,1,n)cin>>a[i]; forn(i,1,n)sum+=a[i]; dp[0][100000]=1; forn(i,1,n){ rep(j,200001){ if(dp[i-1][j]){ dp[i][j+a[i]]=dp[i][j-a[i]]=1; } } } forn(d,0,100000){ if(dp[n][100000+d]||dp[n][100000-d]){ cout<<(sum+d)/2; return 0; } } return 0; }
#include <algorithm> #include <cmath> #include <climits> #include <deque> #include <iomanip> #include <iostream> #include <map> #include <numeric> #include <set> #include <string> #include <unordered_set> #include <vector> #define REP(i, n) for(int i = 0; i < n; ++i) using namespace std; using LLONG = long long; const LLONG MOD = 998244353; // 番号が若い順から順に0にしていくと // 偶数番・奇数番をそれぞれ独立に足し合わせたものが残っていく // -> 偶数番の合計と奇数番の合計が等しくなればよい // -> 偶数番と奇数番の差を計算し,等しくなればよい int main() { int N; cin >> N; vector<LLONG> as(N); REP(i, N) cin >> as[i]; vector<LLONG> diffs(N); diffs[0] = as[0]; for(int i = 1; i < N; ++i) { if (i % 2 == 0) diffs[i] = diffs[i - 1] + as[i]; else diffs[i] = diffs[i - 1] - as[i]; } map<LLONG, LLONG> diff2NumMap; for (LLONG diff : diffs) ++diff2NumMap[diff]; LLONG ans = 0; ++diff2NumMap[0]; for (const auto& kvp : diff2NumMap) { LLONG num = kvp.second; ans += num * (num - 1) / 2; } cout << ans << endl; }
#include<bits/stdc++.h> #include <iostream> #include <stack> #include <list> #include <cstdio> #include <cstdlib> #include <algorithm> #include <cmath> #include <vector> #include <set> #include <map> #include <unordered_set> #include <unordered_map> #include <queue> #include <ctime> #include <cassert> #include <complex> #include <string> #include <cstring> #include <chrono> #include <random> #include <bitset> using namespace std; using ll = long long; using ull = unsigned long long; using pi=pair<int,int>; using pl=pair<ll,ll>; #define pb push_back #define f first #define s second #define rep(i,a,b) for(ll i=a;i<b;i++) #define repd(i,b,a) for(ll i=b;i>a;i--) #define repi(i,b,a,c) for(ll i=b;i<a;i+=c) #define cas ll cas;cin>>cas ; for(ll i=0;i<cas;i++) const ll N=1e5 + 10; const ll INF=1e18; const ll M=1e5 +10; const ll mod=1e9 + 7; const ll L=31; const ll hp=293; ll _pow(ll a,ll b){ if(b==0){ return 1; } if(b==1){ return a%mod; } ll k=_pow(a,b/2); k%=mod; k=k*k; k%=mod; if(b%2==1){ k*=a; k%=mod; } return k; } bool prime[N]; ll seive(){ for(ll i=0;i<N;i++){ prime[i]=true; } for(ll i=2;i<=sqrt(N);i++){ if(prime[i]){ for(ll j=i*i;j<N;j+=i){ prime[j]=false; } } } } ll solve(){ // seive(); ll n; cin>>n; // ll cnt=0; set<ll>st; for(ll i=2;i<=sqrt(n);i++){ // if(prime[i]){ // cout<<i<<" "; ll p=i*i; while(p<=n){ st.insert(p); p=p*i; // cnt++; } // } } ll sz=st.size(); cout<<(n-sz)<<'\n'; return 0; } signed main(){ ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL); //solve(); // cas{ solve(); // } return 0; }
#include<bits/stdc++.h> using namespace std; #define ll long long int #define pb push_back #define ss second #define ff first #define ub upper_bound #define lb lower_bound const ll M=1000000007; #define inf 1000000000000000000 #define infn -1000000000000000000 ll ncr(int n,int r){if(r>n)return 0;if(r > n - r) r = n - r;ll ans = 1; int i;for(i = 1; i <= r; i++){ans *= n - r + i;ans /= i;}return ans;} ll power(ll x,ll n,ll m){if(n==0)return 1;else if(n%2==0)return (power(((x%m)*(x%m))%m,n/2,m))%m;else return ((x%m)*(power(x,n-1,m)%m))%m;} int dx[] = {1,-1,0,0}; int dy[] = {0,0,1,-1}; ll modInverse(ll a,ll m){ll m0=m;ll y=0,x=1;if(m==1)return 0;while(a>1){ ll q=a/m;ll t=m;m=a%m,a=t;t=y;y=x-q*y;x=t;}if(x<0)x+=m0;return x;} // std::rotate(vec.begin(), vec.begin()+rotL, vec.end());//rotl=no of left ro // td::rotate(vec.begin(), vec.begin()+vec.size()-rotR, vec.end()); //str.substr(1,3); // takes(0 based indexing all from [1,3]) //transform(str.begin(),str.end(),str.begin(),::tolower);//also "toupper" // to_string(ll),stoll(string) int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL),cout.tie(NULL); ll n,m,q,l,r,w,v; cin>>n>>m>>q; vector<pair<ll,ll>>vec,pec; for(int i=1; i<=n; i++){ cin>>w>>v; vec.pb({w,v}); } pec=vec; ll num[m],vis[n]={0}; for(int i=0; i<m; i++){ cin>>num[i]; } while(q--){ cin>>l>>r; l-=1,r-=1; for(int i=0; i<n; i++) vis[i]=0; vector<ll>vec; for(int i=0; i<m; i++){ if(l>i||i>r){ vec.pb(num[i]); } } sort(vec.begin(),vec.end()); ll ans=0; for(int i=0; i<vec.size(); i++){ ll d=infn,ind=-1,w=-1; for(int j=0; j<pec.size(); j++){ if(vis[j]==0&&pec[j].ff<=vec[i]&&pec[j].ss>d){ d=pec[j].ss; ind=j; w=pec[j].ff; } if(vis[j]==0&&pec[j].ff<=vec[i]&&pec[j].ss==d){ if(w<pec[j].ff){ d=pec[j].ss; ind=j; w=pec[j].ff; } } } if(ind!=-1) vis[ind]=1,ans+=d; } cout<<ans<<"\n"; } return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define SZ(x) ((int)(x).size()) #define FOR(var, begin, end) for (int var = (begin); var <= (end); var++) #define RFOR(var, begin, end) for (int var = (begin); var >= (end); var--) #define REP(var, length) FOR(var, 0, length - 1) #define RREP(var, length) RFOR(var, length - 1, 0) #define EACH(value, var) for (auto value : var) #define SORT(var) sort(var.begin(), var.end()) #define REVERSE(var) reverse(var.begin(), var.end()) #define RSORT(var) SORT(var); REVERSE(var) #define OPTIMIZE_STDIO ios::sync_with_stdio(false); cin.tie(0); cout.precision(10); cout << fixed #define endl '\n' const int INF = 1e9; const int MOD = 1e9 + 7; const ll LINF = 1e18; void solve(istream& cin, ostream& cout) { int t; cin >> t; REP(i, t) { ll n; cin >> n; string ans; if (n % 4 == 0) { ans = "Even"; } else if (n % 2 == 0) { ans = "Same"; } else { ans = "Odd"; } cout << ans << endl; } } #ifndef TEST int main() { OPTIMIZE_STDIO; solve(cin, cout); return 0; } #endif
#include <bits/stdc++.h> using namespace std; int isprime (int n) { int j; for ( j = 2 ; j <= n / 2 ; j ++ ) { if ( !(n % j) ) return 0; } return 1; } int main (void) { int n; while (cin >> n) { long long ans = 1; int i; for ( i = 2; i <= n ; i ++) { if (isprime (i)) { if ( i == 2) ans *=2 * 2 * 2 * 2; else if (i == 3) { ans *=3 * 3 * 3; } else if (i == 5) { ans *= 5 * 5; } else ans *= i; } } printf ("%lld\n",ans+1); } return 0; }
#include<bits/stdc++.h> using namespace std; typedef long long ll; ll gcd(ll x,ll y) { return __gcd(x,y); } ll lcm(ll x,ll y) { return (x*y)/(gcd(x,y)); } int main() { long long n,i,a; cin>>n; a=1; for(i=2;i<=n;i++) { a=lcm(a,i); } cout<<a+1<<endl; }
#pragma GCC optimize("Ofast") #include <bits/stdc++.h> using namespace std; using ll = long long; using P = pair<ll,ll>; using Graph= vector<vector<int>>; #define rep(i,n) for (ll i=0; i < (n); ++i) #define rep2(i,n,m) for(ll i=n;i<=m;i++) #define rep3(i,n,m) for(ll i=n;i>=m;i--) #define pb push_back #define eb emplace_back #define ppb pop_back #define fi first #define se second #define mpa make_pair const ll INF=1e18 ; inline void chmax(ll& a,ll b){a=max(a,b);} inline void chmin(ll& a,ll b){a=min(a,b);} ll gcd(ll a, ll b) { return b?gcd(b,a%b):a;} ll lcm(ll a, ll b) { return a/gcd(a,b)*b;} #define set20 cout<<fixed<<setprecision(20) ; // ミント //int mod ; cin>>mod ; const ll mod = 1e9+7 ;//924844033; //998244353; struct mint { ll x; // typedef long long ll; mint(ll x=0):x((x%mod+mod)%mod){} mint operator-() const { return mint(-x);} mint& operator+=(const mint a) { if ((x += a.x) >= mod) x -= mod; return *this; } mint& operator-=(const mint a) { if ((x += mod-a.x) >= mod) x -= mod; return *this; } mint& operator*=(const mint a) { (x *= a.x) %= mod; return *this;} mint operator+(const mint a) const { return mint(*this) += a;} mint operator-(const mint a) const { return mint(*this) -= a;} mint operator*(const mint a) const { return mint(*this) *= a;} mint pow(ll t) const { if (!t) return 1; mint a = pow(t>>1); a *= a; if (t&1) a *= *this; return a; } // for prime mod mint inv() const { return pow(mod-2);} mint& operator/=(const mint a) { return *this *= a.inv();} mint operator/(const mint a) const { return mint(*this) /= a;} }; istream& operator>>(istream& is, const mint& a) { return is >> a.x;} ostream& operator<<(ostream& os, const mint& a) { return os << a.x;} //昆布 struct combination { vector<mint> fact, ifact; combination(int n):fact(n+1),ifact(n+1) { assert(n < mod); //任意modではここ消す fact[0] = 1; for (int i = 1; i <= n; ++i) fact[i] = fact[i-1]*i; ifact[n] = fact[n].inv(); for (int i = n; i >= 1; --i) ifact[i-1] = ifact[i]*i; } mint operator()(int n, int k) { if (k < 0 || k > n) return 0; return fact[n]*ifact[k]*ifact[n-k]; } mint p(int n,int k){ return fact[n]*ifact[n-k] ; //kは個数 } } c(1000005); mint modpow(ll a,ll b){ if(b==0) return 1 ; mint c= modpow(a,b/2) ; if(b%2==1) return c*c*a ; else return c*c ; } mint komb(ll n,ll m){ mint x=1 ;mint y=1 ; rep(i,m){ x*= n-i ; y*= i+1 ; } return x/y ; } map<ll,ll> factor(ll n){ //素因数とオーダーをマップで管理 map <ll,ll> ord ; for(ll i=2;i*i<=n;i++){ if(n%i==0){ int res=0; while(n%i==0){ n/=i; res++; } ord[i]=res; } } if(n!=1) ord[n]++; return ord ; } int main(){ ios::sync_with_stdio(false) ; cin.tie(nullptr) ; ll n ; cin>>n ; string s ; cin>>s ; if(s[0]!=s[n-1]) cout<<1<<endl ; else{ char a=s[0] ; bool ok=0 ; rep(i,n-1){ if(s[i]!=a && s[i+1]!=a) ok=1 ; } if(ok) cout<<2<<endl ; else cout<<-1<<endl ; } return 0 ; }
#include <bits/stdc++.h> using namespace std; #define rep(i,n) for (int i = 0; i < n; ++i) using ll = long long; using P = pair<int,int>; const int N=2000; const int INF=1e9; const int White=0,Gray=1,Black=2; vector<P> G[N]; int dist[N][N]; int color[N], self[N]; priority_queue<P,vector<P>, greater<P>> que; void dijkstra(int v){ que.push({0,v}); color[v]=Gray; while(!que.empty()){ P now=que.top();que.pop(); if(dist[v][now.second]<now.first)continue; color[now.second]=Black; for (auto &&i : G[now.second]){ int d=i.first, next=i.second; if(color[next]==Black)continue; if(dist[v][next] > dist[v][now.second]+d) { dist[v][next] = dist[v][now.second]+d; que.push({dist[v][next],next}); color[next]=Gray; } } } } int main() { int n,m; cin >> n >> m; rep(i,n)self[i]=INF; rep(i,m) { int ai, bi, ci; cin >> ai >> bi >> ci; ai--; bi--; if(ai==bi){ self[ai]=min(self[ai],ci); continue; } G[ai].push_back({ci,bi}); } rep(i,n)rep(j,n)dist[i][j]=INF; rep(i,n)dist[i][i]=0; rep(j,n){ rep(k,n)color[k] = White; dijkstra(j); } rep(i,n) { int ans = INF; rep(j,n) { if(i==j){ ans=min(ans,self[i]); continue; } ans = min(ans,dist[i][j]+dist[j][i]); } cout << ((ans==INF) ? -1 : ans)<< endl; } }
#pragma GCC optimize ("O2") #pragma GCC target ("avx2") //#include<bits/stdc++.h> //#include<atcoder/all> //using namespace atcoder; #include<iostream> #include<cstring> #include<algorithm> using namespace std; typedef long long ll; #define rep(i, n) for(int i = 0; i < (n); i++) #define rep1(i, n) for(int i = 1; i <= (n); i++) #define co(x) cout << (x) << "\n" #define cosp(x) cout << (x) << " " #define ce(x) cerr << (x) << "\n" #define cesp(x) cerr << (x) << " " #define pb push_back #define mp make_pair #define chmin(x, y) x = min(x, y) #define chmax(x, y) x = max(x, y) #define Would #define you #define please int P[100001]; int sei[100001], fu[100001], kisuu[100001], kazu[100001], kazu2[100001]; void sort_ganbare(int N, int A[]) { if (N < (1 << 12)) { sort(A, A + N); return; } const int b = 9; int tmp[100001]; int kazu[1 << b] = {}, kazu2[1 << b] = {}; rep(i, N) kazu[A[i] & ((1 << b) - 1)]++; rep(i, (1 << b) - 1) kazu[i + 1] += kazu[i]; for (int i = N - 1; i >= 0; i--) tmp[--kazu[A[i] & ((1 << b) - 1)]] = A[i]; rep(i, N) kazu2[tmp[i] >> b & ((1 << b) - 1)]++; rep(i, (1 << b) - 1) kazu2[i + 1] += kazu2[i]; for (int i = N - 1; i >= 0; i--) A[--kazu2[tmp[i] >> b & ((1 << b) - 1)]] = tmp[i]; } int main() { cin.tie(0); ios::sync_with_stdio(false); int N; cin >> N; rep1(i, N - 1) { cin >> P[i + 1]; kazu[P[i + 1]]++; } rep(i, N) kazu2[i + 1] = (kazu[i + 1] += kazu[i]); for (int i = N; i >= 2; i--) { int ret = sei[i] - 1; auto ki = kisuu + kazu[i - 1]; int sz = kazu2[i - 1] - kazu[i - 1]; sort_ganbare(sz, ki); if (sz & 1) { ret -= fu[i]; rep(j, sz) { if (j & 1) ret -= ki[j] - (1 << 17); else ret += ki[j] - (1 << 17); } } else { ret += fu[i]; rep(j, sz) { if (j & 1) ret += ki[j] - (1 << 17); else ret -= ki[j] - (1 << 17); } } if (ret & 1) { kisuu[kazu2[P[i] - 1]++] = ret + (1 << 17); } else { if (ret >= 0) sei[P[i]] += ret; else fu[P[i]] += ret; } } int ret = sei[1] - 1; auto ki = kisuu + kazu[0]; int sz = kazu2[0] - kazu[0]; sort_ganbare(sz, ki); if (sz & 1) { ret -= fu[1]; rep(j, sz) { if (j & 1) ret -= ki[j] - (1 << 17); else ret += ki[j] - (1 << 17); } } else { ret += fu[1]; rep(j, sz) { if (j & 1) ret += ki[j] - (1 << 17); else ret -= ki[j] - (1 << 17); } } co((N - ret) / 2); Would you please return 0; }
//QwQcOrZ yyds!!! #ifndef _GLIBCXX_NO_ASSERT #include <cassert> #endif #include <cctype> #include <cerrno> #include <cfloat> #include <ciso646> #include <climits> #include <clocale> #include <cmath> #include <csetjmp> #include <csignal> #include <cstdarg> #include <cstddef> #include <cstdio> #include <cstdlib> #include <cstring> #include <ctime> #if __cplusplus >= 201103L #include <ccomplex> #include <cfenv> #include <cinttypes> #include <cstdalign> #include <cstdbool> #include <cstdint> #include <ctgmath> #include <cwchar> #include <cwctype> #endif // C++ #include <algorithm> #include <bitset> #include <complex> #include <deque> #include <exception> #include <fstream> #include <functional> #include <iomanip> #include <ios> #include <iosfwd> #include <iostream> #include <istream> #include <iterator> #include <limits> #include <list> #include <locale> #include <map> #include <memory> #include <new> #include <numeric> #include <ostream> #include <queue> #include <set> #include <sstream> #include <stack> #include <stdexcept> #include <streambuf> #include <string> #include <typeinfo> #include <utility> #include <valarray> #include <vector> #if __cplusplus >= 201103L #include <array> #include <atomic> #include <chrono> #include <condition_variable> #include <forward_list> #include <future> #include <initializer_list> #include <mutex> #include <random> #include <ratio> #include <regex> #include <scoped_allocator> #include <system_error> #include <thread> #include <tuple> #include <typeindex> #include <type_traits> #include <unordered_map> #include <unordered_set> #endif #define ll long long #define F(i,a,b) for (int i=(a);i<=(b);i++) #define R(i,a,b) for (int i=(a);i<(b);i++) #define D(i,a,b) for (int i=(a);i>=(b);i--) #define go(i,x) for (int i=head[x];i;i=e[i].nx) #define mp make_pair #define pb push_back #define pa pair < int,int > #define fi first #define se second #define re register #define be begin() #define en end() #define sqr(x) ((x)*(x)) #define ret return puts("-1"),0; #define put putchar('\n') #define inf 1000000005 #define mod 998244353 #define int ll //#define N using namespace std; inline char gc(){static char buf[100000],*p1=buf,*p2=buf;return p1==p2&&(p2=(p1=buf)+fread(buf,1,100000,stdin),p1==p2)?EOF:*p1++;} #define gc getchar inline ll read(){char c=gc();ll su=0,f=1;for (;c<'0'||c>'9';c=gc()) if (c=='-') f=-1;for (;c>='0'&&c<='9';c=gc()) su=su*10+c-'0';return su*f;} inline void write(ll x){if (x<0){putchar('-');write(-x);return;}if (x>=10) write(x/10);putchar(x%10+'0');} inline void writesp(ll x){write(x),putchar(' ');} inline void writeln(ll x){write(x);putchar('\n');} long long x,y,z,p; signed main() { x=read(),y=read(),z=read(); p=y*y+z*z; if (sqrt(p*1.0)/x<1) writeln(2); else cout<<ceil(sqrt(p*1.0)/x); } /* */
#include <bits/stdc++.h> #define rep(i,n) for(int i=0;i<(int)(n);i++) #define chmin(x,y) x = min((x),(y)) #define chmax(x,y) x = max((x),(y)) #define popcount(x) __builtin_popcount(x) using namespace std; using ll = long long ; using P = pair<int,int> ; using pll = pair<long long,long long>; const int INF = 1e9; const long long LINF = 1e17; const int MOD = 1000000007; //const int MOD = 998244353; const double PI = 3.14159265358979323846; int main(){ int n; cin >> n; vector<ll> a(n); rep(i,n) cin >> a[i]; ll ans = 2*a[0]; ll last = 2*a[0]; ll ma = a[0]; //cout << last << endl; cout << ans << endl; for(int i=1;i<n;i++){ if(ma < a[i]){ ans += i*(a[i]-ma) + last+(a[i]-ma)+a[i]; last = last+(a[i]-ma)+a[i]; ma = a[i]; }else{ ans += last+a[i]; last += a[i]; } //cout << last << endl; cout << ans << endl; } return 0; }
#include <cstdio> #include <algorithm> using namespace std; int n; long long k; long long a[3000006]; long long sum[3000006]; int main(){ scanf("%d%lld",&n,&k); int l=3; for(int i=1;i<=n;++i)a[l++]=1ll*i; for(int i=n-1;i>=1;--i)a[l++]=1ll*i; for(int i=3;i<=n+2;++i){ sum[i]=sum[i-1]+a[i]; a[i]=sum[i]; } for(int i=n+3;i<=3*n;++i){ sum[i]=sum[i-1]+a[i]; a[i]=(sum[i]-sum[i-n]); } for(int s=3;s<=3*n;++s){ if(k<=a[s]){ for(int i=1;i<=min(s-2,n);++i){ int js; if(s-i-1<=n)js=s-i-1; else js=max(2*n-(s-i-1),0); if(k<=js){ int j=k+(s-i-1>n?s-i-1-n:0); printf("%d %d %d\n",i,j,(s-i-j)); return 0; } k-=1ll*js; } } k-=a[s]; } return 0; }
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/trie_policy.hpp> #ifdef ONLINE_JUDGE #pragma GCC optimize("Ofast") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,tune=native") #pragma GCC optimize("unroll-loops") #define int128 __int128 #else #define int128 long long #endif #define all(x) x.begin(), x.end() #define make_unique(x) sort(all((x))); (x).resize(unique(all((x))) - (x).begin()) #define mp make_pair #define X first #define Y second using namespace std; using namespace __gnu_pbds; template<typename T> // order_of_key(), *find_by_order() using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; using ll = long long; using ull = unsigned long long; using ld = long double; mt19937_64 gen(time(nullptr)); namespace { struct custom_hash { static uint64_t splitmix64(uint64_t x) { // http://xorshift.di.unimi.it/splitmix64.c x += 0x9e3779b97f4a7c15; x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9; x = (x ^ (x >> 27)) * 0x94d049bb133111eb; return x ^ (x >> 31); } size_t operator()(uint64_t x) const { static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count(); return splitmix64(x + FIXED_RANDOM); } }; template<typename T, typename F> using HashMap = unordered_map<T, F, custom_hash>; template<typename T> using HashSet = unordered_set<T, custom_hash>; } ll mod = 1e9 + 7; namespace { ll mul(ll a, ll b) { ll val = a * b - (ll)((ld)a * b / mod) * mod; if (val < 0) val += mod; if (val >= mod) val -= mod; return val; } ll poww(ll a, ll b) { ll val = 1; a %= mod; while (b > 0) { if (b % 2) val = mul(a, val); a = mul(a, a); b >>= 1; } return val % mod; } ll inv(ll a) { return poww(a, mod - 2); } ll gcd(ll a, ll b) { return (a == 0 ? b : gcd(b % a, a)); } ll gcdex(ll a, ll b, ll& x, ll& y) { if (a == 0) { x = 0; y = 1; return b; } ll x1, y1; ll d = gcdex(b % a, a, x1, y1); x = y1 - (b / a) * x1; y = x1; return d; } ll inv_eu(ll a, ll m) { ll x, y; ll g = gcdex(a, m, x, y); if (g != 1) { assert(0); return 0; } else { x = (x % m + m) % m; return x; } } } ll const maxn = 3e5 + 5; signed main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); ll n; cin >> n; vector<int>a(n),b(n); for(int &x : a) cin >> x; for(int &x : b) cin >> x; ll ans = 0; for(int x : a) ans += x; vector<vector<int>>v(2); for(int i=0;i<n;i++) v[i%2].push_back(b[i] - a[i]); for(int i=0;i<2;i++){ sort(all(v[i])); reverse(all(v[i])); } for(int i=0;i<n/2;i++){ //cerr << v[0][i] << " " << v[1][i] << endl; if(v[0][i] + v[1][i] > 0) ans += v[0][i] + v[1][i]; } cout << ans << endl; return 0; } /* */
#include <stdio.h> int i, N, A[2][100001]; long long dp[2][100001]; int main() { scanf("%d", &N); for (i = 1; i <= N; i++) scanf("%d", &(A[0][i])); for (i = 1; i <= N; i++) scanf("%d", &(A[1][i])); int j, k, l, r; const long long inf = -(1LL << 60); for (i = 0; i <= N; i++) { dp[0][i] = inf; dp[1][i] = inf; } dp[0][1] = A[0][1]; dp[1][1] = A[1][1]; for (i = 2; i <= N; i++) { if (i % 2 == 0) { dp[0][0] = dp[0][1] + A[0][i]; if (dp[0][0] < dp[1][1] + A[1][i]) dp[0][0] = dp[1][1] + A[1][i]; } else dp[1][0] = dp[0][0]; k = (i < N - i)? i: N - i; l = i % 2; r = 1 - i % 2; for (j = 2 - l; j <= k; j += 2) { dp[0][j] = dp[0][j-1] + A[r][i]; if (dp[0][j] < dp[0][j+1] + A[l][i]) dp[0][j] = dp[0][j+1] + A[l][i]; dp[1][j] = dp[1][j-1] + A[l][i]; if (dp[1][j] < dp[1][j+1] + A[r][i]) dp[1][j] = dp[1][j+1] + A[r][i]; } } printf("%lld\n", dp[0][0]); fflush(stdout); return 0; }
#include <cstdio> #include <cstdlib> using namespace std; #define ll long long const ll MAXN = 400011; struct fhqTreap { ll tot, rt; ll val[MAXN], sum[MAXN], sz[MAXN], ls[MAXN], rs[MAXN], rd[MAXN]; void pushup(ll u) {sz[u] = sz[ls[u]] + sz[rs[u]] + 1; sum[u] = sum[ls[u]] + sum[rs[u]] + val[u];} void split(ll u, ll k, ll &x, ll &y) { if(!u) {x = y = 0; return;} if(val[u] <= k) x = u, split(rs[u], k, rs[u], y); else y = u, split(ls[u], k, x, ls[u]); pushup(u); } ll merge(ll u, ll v) { if(!u || !v) return u | v; if(rd[u] < rd[v]) {rs[u] = merge(rs[u], v); pushup(u); return u;} else {ls[v] = merge(u, ls[v]); pushup(v); return v;} } ll add(ll k) { rd[++tot] = rand(); sz[tot] = 1; val[tot] = sum[tot] = k; return tot; } void insert(ll k) { ll x, y; split(rt, k, x, y); rt = merge(merge(x, add(k)), y); } ll cb(ll k) { ll x, y; split(rt, k, x, y); ll ans = sz[x] * k + sum[y]; rt = merge(x, y); return ans; } void delet(ll k) { ll x, y, z; split(rt, k, x, z); split(x, k - 1, x, y); y = merge(ls[y], rs[y]); rt = merge(merge(x, y), z); } } t[2]; ll q; ll len[2]; ll w[2][MAXN]; ll read() { ll X = 0, F = 1; char C = getchar(); while(C < '0' || C > '9') {if(C == '-')F=-1; C = getchar();} while(C >= '0' && C <= '9') {X = X*10+C-'0'; C = getchar();} return X * F; } int main() { ll ans = 0; len[1] = read(); len[0] = read(); q = read(); for(ll i = 0; i < 2; ++i) for(ll j = 1; j <= len[i]; ++j) t[i].rt = t[i].merge(t[i].rt, t[i].add(0)); for(ll i = 1, opt, x, y; i <= q; ++i) { opt = (read() & 1); x = read(); y = read(); t[opt].delet(w[opt][x]); t[opt].insert(y); ans -= t[opt^1].cb(w[opt][x]); w[opt][x] = y; ans += t[opt^1].cb(w[opt][x]); printf("%lld\n", ans); } return 0; }
#include <iostream> using namespace std; long long n,k,x,y,a,b,c,d, ansx, ansy; long long ans; main(){ cin>>n>>k; k=abs(k); for(x=1; x<=2*n+1; x++){ ansx=1; ansy=1; y=x-k; //cout<<"----"<<endl; //cout<<x<<" "<<y<<endl; if(x-1>=n) ansx=2*n-x+1; else ansx=x-1; if(y-1>=n) ansy=2*n-y+1; else ansy=y-1; if(ansx<0 || ansy<0) continue; //cout<<ansx<<" "<<ansy<<endl; ans+= (ansx*ansy); } cout<<ans<<endl; }
#include<iostream> #include <algorithm> #include <vector> #include <string> #include <cmath> #include <iomanip> using namespace std; typedef long long ll; typedef pair<int,int> P; int main(){ int a[3]; cin >> a[0] >> a[1] >> a[2]; sort(a, a+3); if(a[0]==a[1]){ cout << a[2] <<endl; }else if(a[1]==a[2]){ cout << a[0] <<endl; }else{ cout << 0 <<endl; } return 0; }
#define _DEBUG #include "bits/stdc++.h" //#include <atcoder/all> #define CHOOSE(a) CHOOSE2 a #define CHOOSE2(a0,a1,a2,a3,a4,a5,x,...) x #define debug_1(x1) cout<<#x1<<": "<<x1<<endl #define debug_2(x1,x2) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<endl #define debug_3(x1,x2,x3) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<", "#x3<<": "<<x3<<endl #define debug_4(x1,x2,x3,x4) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<", "#x3<<": "<<x3<<", "#x4<<": "<<x4<<endl #define debug_5(x1,x2,x3,x4,x5) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<", "#x3<<": "<<x3<<", "#x4<<": "<<x4<<", "#x5<<": "<<x5<<endl #define debug_6(x1,x2,x3,x4,x5,x6) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<", "#x3<<": "<<x3<<", "#x4<<": "<<x4<<", "#x5<<": "<<x5<<", "#x6<<": "<<x6<<endl #ifdef _DEBUG #define debug(...) CHOOSE((__VA_ARGS__,debug_6,debug_5,debug_4,debug_3,debug_2,debug_1,~))(__VA_ARGS__) #else #define debug(...) #endif #define rep(index,num) for(int index=0;index<(int)num;index++) #define rep1(index,num) for(int index=1;index<=(int)num;index++) #define brep(index,num) for(int index=(int)num-1;index>=0;index--) #define brep1(index,num) for(int index=(int)num;index>0;index--) #define scan(argument) cin>>argument #define prin(argument) cout<<argument<<endl #define prind(argument) cout<<std::fixed<<setprecision(13)<<argument<<endl #define kaigyo cout<<endl #define eps 1e-7 #define PI acosl(-1) #define mp(a1,a2) make_pair(a1,a2) #define ALL(a) (a).begin(),(a).end() #define rALL(a) (a).rbegin(),(a).rend() #define puba emplace_back #define pubamp(a,b) emplace_back(mp(a,b)) typedef long long ll; typedef long double ld; using namespace std; //using namespace atcoder; typedef pair<ll,ll> pll; typedef pair<int,int> pint; typedef vector<int> vint; typedef vector<ll> vll; typedef vector<vint> vvint; typedef vector<vll> vvll; typedef vector<pint> vpint; typedef vector<pll> vpll; template<class T> bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<class T> bool chmin(T &a, const T &b) { if (a>b) { a=b; return 1; } return 0; } ll INFl=(ll)1e+18+1; int INF=1e+9+1; int main(){ int N; int x1[101],y1[101],x2[101],y2[101]; scan(N); rep(i,N){ scan(x1[i]>>y1[i]); } rep(i,N){ scan(x2[i]>>y2[i]); } if(N==1){ prin("Yes"); return 0; } int a01x=x1[1]-x1[0],a01y=y1[1]-y1[0]; map<pint,int> acount; rep(i,N){ int atox=x1[i]-x1[0],atoy=y1[i]-y1[0]; int naiseki=a01x*atox+a01y*atoy; int gaiseki=a01x*atoy-atox*a01y; acount[mp(naiseki,gaiseki)]++; } rep(ii,N){ rep(jj,N){ if(ii==jj) continue; int b01x=x2[ii]-x2[jj],b01y=y2[ii]-y2[jj]; map<pint,int> bcount; rep(i,N){ int btox=x2[i]-x2[jj],btoy=y2[i]-y2[jj]; int naiseki=b01x*btox+b01y*btoy; int gaiseki=b01x*btoy-btox*b01y; bcount[mp(naiseki,gaiseki)]++; } bool ok=1; for(const auto& fs:acount){ if(bcount[fs.first]!=fs.second){ ok=0; } } if(ok){ prin("Yes"); return 0; } } } prin("No"); return 0; }
/** * author: Pocket7878 **/ #include <algorithm> #include <cctype> #include <cmath> #include <iomanip> #include <iostream> #include <list> #include <numeric> #include <queue> #include <string> #include <unordered_map> #include <unordered_set> #include <vector> using namespace std; template <class T> bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } template <class T> bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } /* Consts */ const int INF = 1000000000; const long long LINF = 1e18; const int MOD = (int)1e9 + 7; const double EPS = 1e-9; const long double LEPS = 1.0E-14; /* Types */ typedef long long ll; typedef unsigned long long ull; /* Macros */ #define RNG(i, a, b) for (int i = int(a); i < int(b); ++i) #define REP(i, b) RNG(i, 0, b) #define GNR(i, a, b) for (int i = int(b) - 1; i >= int(a); --i) #define PER(i, b) GNR(i, 0, b) bool start_with(const std::string& s, const std::string& prefix, int offset) { if (s.size() < prefix.size()) return false; return std::equal(std::begin(prefix), std::end(prefix), std::begin(s) + offset); } // #include <algorithm> // std::equal // #include <iterator> // std::rbegin, std::rend // ends_with("abc", "bc") == true bool ends_with(const std::string& s, const std::string& suffix) { if (s.size() < suffix.size()) return false; return std::equal(std::rbegin(suffix), std::rend(suffix), std::rbegin(s)); } template <class T> double deg2rad(T& deg) { return deg * (M_PI / 180.0); } // Debugs #ifndef ONLINE_JUDGE #define _LIBCPP_DEBUG 1 #endif #ifdef ONLINE_JUDGE #define debug(var) 42 #endif #ifndef ONLINE_JUDGE #define debug(var) \ do { \ std::cout << #var << " : "; \ view(var); \ } while (0) #endif template <typename T> void view(T e) { std::cout << e << std::endl; } template <typename T> void view(const std::vector<T>& v) { for (const auto& e : v) { std::cout << e << " "; } std::cout << std::endl; } template <typename T> void view(const std::vector<std::vector<T>>& vv) { for (const auto& v : vv) { view(v); } } void comb(vector<vector<long long int>>& v) { for (int i = 0; i < v.size(); i++) { v[i][0] = 1; v[i][i] = 1; } for (int k = 1; k < v.size(); k++) { for (int j = 1; j < k; j++) { v[k][j] = (v[k - 1][j - 1] + v[k - 1][j]); } } } ll mod_fact(unordered_map<ll, ll>& memo, ll i) { if (memo.find(i) != memo.end()) { return memo[i]; } else if (i == 1) { return memo[i] = 1; } else { return memo[i] = (i % MOD) * (mod_fact(memo, i - 1) % MOD) % MOD; } } vector<long long> enum_divisors(long long N) { vector<long long> res; for (long long i = 1; i * i <= N; ++i) { if (N % i == 0) { res.push_back(i); // 重複しないならば i の相方である N/i も push if (N / i != i) res.push_back(N / i); } } // 小さい順に並び替える sort(res.begin(), res.end()); return res; } struct Edge { ll to; ll ki; ll ti; Edge(ll to, ll ki, ll ti) : to(to), ki(ki), ti(ti) {} }; using Graph = vector<vector<Edge>>; std::vector<ll> Eratosthenes( const ll N ) { std::vector<bool> is_prime( N + 1 ); for( ll i = 0; i <= N; i++ ) { is_prime[ i ] = true; } std::vector<ll> P; for( ll i = 2; i <= N; i++ ) { if( is_prime[ i ] ) { for( ll j = 2 * i; j <= N; j += i ) { is_prime[ j ] = false; } P.emplace_back( i ); } } return P; } int main() { std::cin.tie(nullptr); std::ios_base::sync_with_stdio(false); ll A, B; cin >> A >> B; ll C = A + B; if (C >= 15 && B >= 8) { cout << 1 << endl; } else if (C >= 10 && B >= 3) { cout << 2 << endl; } else if (C >= 3) { cout << 3 << endl; } else { cout << 4 << endl; } }
#include <iostream> #include <iostream> #include <vector> #include <string> #include <algorithm> #include <set> #include <queue> #include <map> using namespace std; typedef long long int ll; typedef pair <int,int> pii; typedef pair<ll,ll> pll; /*bool compare_function(const pair<int, int> a, const pair<int, int> b) { return a.first < b.first; }*/ // use case //sort(V.begin(), V.end(), compare_function); /*struct compare { bool operator ()(const pair<int, int> &a, const pair<int, int> &b) { if (a.second-a.first==b.second-b.first) { return a.first>b.first; } return a.second-a.first < b.second-b.first;} }; priority_queue <pair<int,int>, vector <pair<int,int>>, compare> Q;*/ /*void print1(vector <int> X) { for (int i=0; i<X.size(); i++) { cout<<X[i]<<" "; } cout<<endl; return; } void print2(vector <vector <int>> X) { for (int i=0; i<X.size(); i++) { for (int j=0;j<X[i].size();j++) { cout<<X[i][j]<<" ";} cout<<endl;} return; }*/ int solve(int a, int b) { if (a+b>=15 && b>=8) {return 1;} if (a+b>=10 && b>=3) {return 2;} if (a+b>=3) {return 3;} return 4; } int main() { ios_base::sync_with_stdio(false); cin.tie(0); int a,b; cin>>a>>b; int x=solve(a,b); cout<<x<<endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define all(v) v.begin(), v.end() #define rep(i, n) for (ll i = 0; i < (ll)(n); i++) #define repr(i, n) for (ll i = (n-1); i >= 0; i--) #define Rep(n) for (ll _ = 0; _ < (ll)(n); _++) template <class S>S sum(vector<S>& a) {return accumulate(all(a), S());} template <class S>S max(vector<S>& a) {return *max_element(all(a));} template <class S>S min(vector<S>& a) {return *min_element(all(a));} ll max(int a, ll b) { return max((ll)a, b); } ll max(ll a, int b) { return max(a, (ll)b); } ll min(int a, ll b) { return min((ll)a, b); } ll min(ll a, int b) { return min(a, (ll)b); } void Main(); int main() { cin.tie(nullptr); ios_base::sync_with_stdio(false); cout << fixed << setprecision(20); Main(); return 0; } using P = pair<int,int>; int n,m; vector<vector<P>> graph; vector<int> label; void dfs(int node){ for(auto [a,c]: graph[node]){ if(label[a] < 0){ if(c == label[node]){ label[a] = (c+1) % n; }else{ label[a] = c; } dfs(a); } } } void Main(){ cin >> n >> m; graph = vector<vector<P>>(n); label = vector<int>(n, -1); Rep(m){ int u,v,c; cin >> u >> v >> c; u--; v--; c--; graph[u].push_back(P(v,c)); graph[v].push_back(P(u,c)); } label[0] = 0; dfs(0); for(auto i: label){ cout << i+1 << endl; } }
#include "bits/stdc++.h" using namespace std; using P = pair<int, int>; bool seen[100010], seen2[100010]; vector<vector<P>>graph; int ans[100010]; void dfs(vector<vector<P>> &G, int v) { seen[v] = true; for (auto nv : G[v]) { if (seen[nv.first])continue; graph[v].push_back({ nv.first,nv.second }); graph[nv.first].push_back({ v,nv.second }); dfs(G, nv.first); } } void dfs2(int v) { if (v == 0) { ans[v] = 1; } seen2[v] = true; for (auto nv : graph[v]) { if (seen2[nv.first])continue; if (ans[v] == nv.second) { int tmp = 1; if (tmp == nv.second)tmp++; ans[nv.first] = tmp; } else { ans[nv.first] = nv.second; } dfs2(nv.first); } } signed main() { int N, M; cin >> N >> M; graph.resize(N); vector<vector<P>>G(N); for (int i = 0; i < M; i++) { int u, v, c; cin >> u >> v >> c; u--; v--; G[u].push_back({ v,c }); G[v].push_back({ u,c }); } dfs(G, 0); dfs2(0); for (int i = 0; i < N; i++) { cout << ans[i] << endl; } }
#include <iostream> #include <cstdio> using namespace std; int m; long long n; struct node { int res, rem; }; node work(long long x) { if(x == 0) { return (node){0, 1}; } if(x % 2 == 1) { node tmp = work(x - 1); int Res = (tmp.res * 10 + (tmp.rem * 10) / m) % m; int Rem = (tmp.rem * 10) % m; return (node){Res, Rem}; } else { node tmp = work(x / 2); int Res = (tmp.res * tmp.res % m * m % m + 2 * tmp.res * tmp.rem % m + (tmp.rem * tmp.rem) / m) % m; int Rem = (tmp.rem * tmp.rem) % m; return (node){Res, Rem}; } } int main() { scanf("%lld%d", &n, &m); node tmp = work(n); printf("%d", tmp.res); return 0; }
//#pragma GCC optimize("O3,unroll-loops") //#pragma GCC target("avx,avx2,fma") #include <algorithm> #include <bits/stdc++.h> #include <unordered_map> #include <unordered_set> using namespace std; #define PI acos(-1.0) #define No cout<<"No\n" #define Yes cout<<"Yes\n" #define no cout<<"no\n" #define yes cout<<"yes\n" #define NO cout<<"NO\n" #define YES cout<<"YES\n" // #define MOD (int)1000000007 #define int long long #define ll long long #define pii pair<int, int> #define fi first #define se second #define sf(a) scanf("%lld", &a) #define pf(a) printf("%lld ", a) #define pfn(a) printf("%lld\n", a) #define case(a) cout<<"Case "<<a<<": "; #define FASTIO ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0); #define pb push_back #define mem(arr) memset(arr, 0, sizeof(arr)) #define mem1(arr) memset(arr, -1, sizeof(arr)) #define all(a) a.begin(),a.end() #define f(i,a,b) for (int i = a; i<=b; i++) #define fr(i,a,b) for (int i = a; i>=b; i--) #define rr return 0 #define prec(n) fixed<<setprecision(n) #define maxpq priority_queue<int> #define minpq priority_queue<int, vector<int>, greater<int> > #define inf (int)(1e18) #define vi vector<int> #define vii vector<pii> #define sz(s) s.size() #define lcm(a,b) (a*(b/gcd(a,b))) int gcd(int a, int b) {return __gcd(a,b);} int MOD; inline void normal(ll &a) { a %= MOD; (a < 0) && (a += MOD); } inline ll modMul(ll a, ll b) { a %= MOD, b %= MOD; normal(a), normal(b); return (a*b)%MOD; } inline ll modAdd(ll a, ll b) { a %= MOD, b %= MOD; normal(a), normal(b); return (a+b)%MOD; } inline ll modSub(ll a, ll b) { a %= MOD, b %= MOD; normal(a), normal(b); a -= b; normal(a); return a; } inline ll modPow(ll b, ll p) { ll r = 1; while(p) { if(p & 1LL) r = modMul(r, b); b = modMul(b, b); p >>= 1LL; } return r; } inline ll modInverse(ll a) { return modPow(a, MOD-2); } inline ll modDiv(ll a, ll b) { return modMul(a, modInverse(b)); } inline bool checkBit(ll n, int i) { return n&(1LL<<i); } inline ll setBit(ll n, int i) { return n or (1LL<<i);; } inline ll resetBit(ll n, int i) { return n&(~(1LL<<i)); } const double eps = 1e-9; int dx[5] = {+1, +0, -1, -0}; int dy[5] = {+0, +1, -0, -1}; int XX[] = { -1, -1, -1, 0, 0, 1, 1, 1 }; int YY[] = { -1, 0, 1, -1, 1, -1, 0, 1 }; inline bool Equal(double x, double y) { return fabs(x-y)<eps; } inline bool Greater(double x, double y){ return x-eps>y; } inline bool Lesser(double x, double y){ return x+eps<y; } #define error(args...) { string _s = #args; replace(_s.begin(), _s.end(), ',', ' '); stringstream _ss(_s); istream_iterator<string> _it(_ss); err(_it, args); cerr << '\n'; } void err(istream_iterator<string> it) {} template<typename T, typename... Args> void err(istream_iterator<string> it, T a, Args... args) { cerr << *it << " = " << a << " "; err(++it, args...); } ///Write what you need --> /// nt, ft, kmp, tri, sufarr, ub_lb, lis /// dsu, combi ///Template Ends Here//////////////////////////// signed main() { // root = new trinode(); // freopen("input.txt", "r", stdin); // freopen("output.txt", "w", stdout); FASTIO // int n; // cin>>n; // // int a[n+1]; // f(i, 1, n){ // cin>>a[i]; // } int n, m; cin>>n>>m; MOD = m*m; int r = modPow(10, n); MOD = m; int r1 = modPow(10, n); cout<<(r-r1)/m; // tridel(root); }
#include <sstream> #include <iostream> #include <fstream> #include <string> #include <vector> #include <array> #include <deque> #include <numeric> #include <algorithm> #include <iomanip> #include <map> #include <set> #include <list> #include <cassert> #include <cmath> #include <climits> #include <map> #include <queue> #include <functional> #include <bitset> #include <cassert> using namespace std; using ll = int64_t; #define rep(i, a) for (int i = 0; i < (int)(a); ++i) #define rep2(i, a, b) for (int i = (int)(a); i < (int)(b); ++i) #define repr(i, a) for (int i = (int)((a) - 1); i >= 0; --i) template <class T> using V1 = vector<T>; template <class T> using V2 = vector<V1<T>>; template <class T> using V3 = vector<V2<T>>; template <class T> using V4 = vector<V3<T>>; template <class T> using V5 = vector<V4<T>>; template <class T> V1<T> MV1(size_t n1, T init = T()) { return V1<T>(n1, init); } template <class T> V2<T> MV2(size_t n1, size_t n2, T init = T()) { return V2<T>(n1, MV1(n2, init)); } template <class T> V3<T> MV3(size_t n1, size_t n2, size_t n3, T init = T()) { return V3<T>(n1, MV2(n2, n3, init)); } template <class T> V4<T> MV4(size_t n1, size_t n2, size_t n3, size_t n4, T init = T()) { return V4<T>(n1, MV3(n2, n3, n4, init)); } template <class T> V5<T> MV5(size_t n1, size_t n2, size_t n3, size_t n4, size_t n5, T init = T()) { return V5<T>(n1, MV4(n2, n3, n4, n5, init)); } struct dstream { ofstream fout; dstream(const char* fname) : fout(fname) {} }; template <typename T> dstream& operator << (dstream& lhs, const T& rhs) { lhs.fout << rhs; cout << rhs; return lhs; } template <typename T> vector<T> GetDivisors(T n) { vector<T> v; for (T i = 1; i * i <= n; ++i) { if ((n % i) == 0) { v.push_back(i); if ((n / i) != i) v.push_back(n / i); } } sort(v.begin(), v.end()); return v; } int main() { #ifdef ENV_LOCAL ifstream fin("input.txt"); dstream dout("output.txt"); auto& in = fin; auto& out = dout; #else auto& in = cin; auto& out = cout; out << ""; #endif int A, B; in >> A >> B; vector<int> ds(200001); for (int i = A; i <= B; ++i) { auto divs = GetDivisors(i); rep(j, divs.size()) ds[divs[j]]++; } int vmax = 0; rep(i, ds.size()) { if (ds[i] >= 2) vmax = max(vmax, i); } cout << vmax; return 0; }
/** ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⡀⠀⠀⠀⠀⢀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⡖⠁⠀⠀⠀⠀⠀⠀⠈⢲⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⣼⡏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢹⣧⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⣸⣿⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⣿⣇⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⣿⣿⡇⠀⢀⣀⣤⣤⣤⣤⣀⡀⠀⢸⣿⣿⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⢻⣿⣿⣔⢿⡿⠟⠛⠛⠻⢿⡿⣢⣿⣿⡟⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⣀⣤⣶⣾⣿⣿⣿⣷⣤⣀⡀⢀⣀⣤⣾⣿⣿⣿⣷⣶⣤⡀⠀⠀⠀⠀ ⠀⠀⢠⣾⣿⡿⠿⠿⠿⣿⣿⣿⣿⡿⠏⠻⢿⣿⣿⣿⣿⠿⠿⠿⢿⣿⣷⡀⠀⠀ ⠀⢠⡿⠋⠁⠀⠀⢸⣿⡇⠉⠻⣿⠇⠀⠀⠸⣿⡿⠋⢰⣿⡇⠀⠀⠈⠙⢿⡄⠀ ⠀⡿⠁⠀⠀⠀⠀⠘⣿⣷⡀⠀⠰⣿⣶⣶⣿⡎⠀⢀⣾⣿⠇⠀⠀⠀⠀⠈⢿⠀ ⠀⡇⠀⠀⠀⠀⠀⠀⠹⣿⣷⣄⠀⣿⣿⣿⣿⠀⣠⣾⣿⠏⠀⠀⠀⠀⠀⠀⢸⠀ ⠀⠁⠀⠀⠀⠀⠀⠀⠀⠈⠻⢿⢇⣿⣿⣿⣿⡸⣿⠟⠁⠀⠀⠀⠀⠀⠀⠀⠈⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣼⣿⣿⣿⣿⣧⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠐⢤⣀⣀⢀⣀⣠⣴⣿⣿⠿⠋⠙⠿⣿⣿⣦⣄⣀⠀⠀⣀⡠⠂⠀⠀⠀ ⠀⠀⠀⠀⠀⠈⠉⠛⠛⠛⠛⠉⠀⠀⠀⠀⠀⠈⠉⠛⠛⠛⠛⠋⠁⠀⠀ * author: Daredevil666 * institution: IIT Patna **/ #define _USE_MATH_DEFINES #include <bits/stdc++.h> #define nl cout<<"\n"; #define ll long long int #define F(i,a,b) for(i=a;i<b;i++) #define IOS ios::sync_with_stdio(false);cin.tie(0); using namespace std; const double PI = 3.14159265358979323846264338327950288419716939937510582097494459230781641; const ll M=1e16; const ll MAXN=200200; ll i,j,mask; void solve() { ll x,y; cin>>x>>y; if(x>=y) { cout<<x-y; return ; } queue<ll> q; q.push(y); ll lvl=-1; ll ans=y-x; set<ll> st; st.insert(y); while(!q.empty()) { lvl++; if(lvl>=ans)break; ll s=q.size(); F(i,0,s) { ll p=q.front(); q.pop(); if(p<=x) { ans=min(ans,lvl+x-p); } else { ans=min(ans,lvl+p-x); if(p%2) { if(st.count(p+1)==0) {st.insert(p+1);q.push(p+1);} if(st.count(p-1)==0) {st.insert(p-1);q.push(p-1);} } else { if(st.count(p/2)==0) {st.insert(p/2);q.push(p/2);} } } } } cout<<ans; } int main() { IOS /*#ifndef ONLINE_JUDGE freopen("input.txt","r",stdin); freopen("output.txt","w",stdout); #*/ /*ll t,test; cin>>test; F(t,1,test+1) { //cout<<"Case #"<<t<<": "; solve(); nl }*/ solve(); return 0; }
#include<bits/stdc++.h> using namespace std; #define FOR(i,a,b) for(int i=(a),i##formax=(b);i< i##formax;i++) #define FORR(i,a,b) for(int i=(a),i##formin=(b);i>=i##formin;i--) #define pb push_back #define eb emplace_back #define mp make_pair #define fi first #define se second #define pcnt __builtin_popcount #define sz(x) (int)(x).size() #define maxs(x,y) x=max((x),(y)) #define mins(x,y) x=min((x),(y)) #define show(x) cout<<#x<<" = "<<(x)<<endl; #define all(a) ((a).begin()),((a).end()) #define each(i,c) for(__typeof((c).begin()) i=(c).begin();i!=(c).end();i++) #define bit(n) (1LL<<(n)) typedef long long ll; typedef __int128_t lll; template<class T>using V=vector<T>; template<class T>using VV=V<V<T>>; template<class T,class Y>using P=pair<T,Y>; template<class T,class Y>ostream& operator<<(ostream&o,P<T,Y>&p){return o<<"("<<p.fi<<","<<p.se<<")";} template<class T>ostream& operator<<(ostream&o,V<T>&v){for(T&t:v)o<<t<<",";return o;} template<class T>void uniq(V<T>&v){sort(all(v));v.erase(unique(all(v)), v.end());} template<class A,size_t N,class T>void Fill(A(&a)[N],const T&v){fill((T*)a,(T*)(a+N),v);} const int MOD = 1e9+7; //998244353; lll gcd(lll a,lll b,lll&x,lll&y){if(!b){x=1;y=0;return a;}lll d=gcd(b,a%b,y,x);y-=a/b*x;return d;} ll modInv(ll a,ll m=MOD){lll x,y;gcd(a,m,x,y);return(x%m+m)%m;} ll modPow(lll a,lll n,ll m=MOD){lll p=1;for(;n;n>>=1,a=a*a%m)if(n&1)p=p*a%m;return p;} //V<ll>Fac,Rac;void setF(int n,int m=MOD){Fac=Rac=V<ll>(++n);Fac[0]=1;FOR(i,1,n)Fac[i]=Fac[i-1]*i%m;Rac[n-1]=modInv(Fac[n-1],m);FORR(i,n-1,1)Rac[i-1]=Rac[i]*i%m;} //ll comb(int a,int b,int m=MOD){return a<b||b<0?0:Fac[a]*Rac[b]%m*Rac[a-b]%m;} const int IINF = 1e9+6; const ll LINF = 1e18; const int N = 2e5; int n, q; int p[N]; map<int, int> m[N]; int find(int a){ return (p[a]<0) ? a : (p[a] = find(p[a])); } void merge(int a, int b){ a=find(a); b=find(b); if(a==b) return; if(sz(m[a]) < sz(m[b])) swap(a, b); for(auto p:m[b]) m[a][p.fi] += p.se; p[b] = a; m[b].clear(); } main(){ cin.tie(0); ios::sync_with_stdio(false); cin >> n >> q; FOR(i, 0, n){ int c; cin >> c; m[i][c]++; p[i] = -1; } FOR(_, 0, q){ int t, a, b; cin >> t >> a >> b; if(t==1){ a--; b--; merge(a, b); }else{ a--; a = find(a); cout << m[a][b] << endl; } } }
#include <bits/stdc++.h> using namespace std; #define rep(i,n) for(int i=0; i<(n); i++) #define FOR(i,a,b) for(ll i=a; i<=b; i++) #define all(v) v.begin(), v.end() #define F first #define S second #define INF 2147483647 #define INFLL 1000000000000 #define MOD 998244353 #define PI 3.14159265359 #define dij priority_queue<pair<int,int>,vector<pair<int,int>>,greater<pair<int,int>>> #define cout_all(v) for(auto e:v)cout<<e<<" ";cout<<endl #define smart(v) v.erase(all(v),v.end()) typedef vector<vector<int>> graph; typedef long long ll; typedef pair<int,int> pii; typedef map<int,int> mii; typedef pair<ll,ll> pll; // int main(){ int a,b,c;cin>>a>>b>>c; string ans; if(c==0){ if(a>b)ans="Takahashi"; else ans="Aoki"; }else{ if(a>=b)ans="Takahashi"; else ans="Aoki"; } cout<<ans<<endl; }
#include <bits/stdc++.h> using namespace std; int main(){ int n,temp; cin >> n; vector<int> myvec(n); for(int i = 0;i < n;i++){ cin >> myvec[i]; } int result = 0; for(int i = 0;i < n;i++){ cin >> temp; result += temp*myvec[i]; } if(result == 0){ cout << "Yes"; } else{ cout << "No"; } return 0; }
#include<bits/stdc++.h> using namespace std; #define int long long #define pb push_back #define mp make_pair #define pii pair<int,int> #define vec vector<int> #define mii map<int,int> #define pqb priority_queue<int> #define no_of_test(zzz) int zzz; cin>>zzz; while(zzz--) #define p(c) cout<<c<<'\n'; const int mod = 1e9 + 7; void speed() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif } //Actual Code Is At The Top int32_t main() { speed(); //no_of_test(zzz) { string s; int n; cin >> n; set<string>set; for (int i = 0; i < n; i++) { cin >> s; set.insert(s); } for (auto x : set) { if (set.count('!' + x)) { cout << x << '\n'; return 0; } } cout << "satisfiable" << '\n'; } return 0; } //cout<<"###"<<'\n'; //cout<<"."<<'\n'; //cout<<"****"<<'\n'; /* && abs(a) + abs(b) < abs(c) + abs(d) */
#include<bits/stdc++.h> using namespace std; #define ll long long #define DEBUG(x) cout << '>' << #x << ':' << x << endl; #define REP(i,n) for(ll i=0;i<(n);i++) #define FOR(i,a,b) for(ll i=(a);i<(b);i++) #define FORC(i,a,b,c) for(ll i=(a);i<(b);i+=(c)) #define pb(x) push_back(x) #define mp(x,y) make_pair(x,y) #define ff first #define ss second #define dd long double #define all(x) x.begin(),x.end() ll maxx=0; ll n,m; const ll N=18; template <typename T> ostream& operator<<(ostream& os, const vector<T>& v){ os << "["; for (ll i=0; i < v.size(); ++i) { os << v[i]; if (i != v.size() - 1) os << ", "; } os << "]"; return os; } template <typename T> ostream& operator<<(ostream& os, const set<T>& v){ os << "{"; for (auto it : v) { os << it; if (it != *v.rbegin()) os << ", "; } os << "}"; return os; } template <typename T, typename S> ostream& operator<<(ostream& os, const map<T, S>& v){ os<<"{"; for (auto it : v){ os << it.first << " : " << it.second ; if (it != *v.rbegin()) os << ", "; } os << "}"; return os; } template <typename T, typename S> ostream& operator<<(ostream& os, const pair<T, S>& v){ os << "("; os << v.first << ", " << v.second << ")"; return os; } vector<vector<ll>> graph(N,vector<ll>(N,0)); void ans(ll idx, vector<vector<ll>> l){ if(idx==n){ maxx=min(int(maxx),int(l.size())); //cout<<l<<endl; return; } if(l.size()>=maxx){ return; } for(ll i=0;i<l.size();i++){ bool flag=true; for(ll j=0;j<l[i].size();j++){ if(graph[idx][l[i][j]]==0){ flag=false; break; } } if(flag){ l[i].pb(idx); ans(idx+1,l); l[i].pop_back(); } } vector<ll> temp{idx}; l.pb(temp); ans(idx+1,l); } int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); cin>>n>>m; REP(i,m){ ll a,b; cin>>a>>b; a--,b--; graph[a][b]=1; graph[b][a]=1; } maxx=n; vector<vector<ll>> l; ans(0,l); cout<<maxx<<endl; }
#include <bits/stdc++.h> #define FAST ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL); typedef long long ll; typedef long double ld; #define pb push_back #define mp make_pair #define ff first #define ss second #define mod 1000000007 #define pii pair<ll,ll> #define inf 1000000000000000000 #define bpc(x) __builtin_popcountll(x) #define autoit(x,it) for(auto it = x.begin(); it != x.end(); it++) #define autoitr(x,it) for(auto it = x.rbegin(); it != x.rend(); it++) #define rep(n) for(ll i = 0; i < n; i++) #define repi(i,n) for(ll i = 0; i < n; i++) #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; #define ordered_set tree<ll, null_type,less<ll>, rb_tree_tag,tree_order_statistics_node_update> using namespace std; mt19937_64 mt(chrono::steady_clock::now().time_since_epoch().count()); int main() { FAST/**/ string req = "fox"; ll n; cin>>n; string s; cin>>s; map<char,ll> st; repi(j,3) st[req[j]] = j; stack<string> sta; ll ans = 0; for(ll i=0;i<n;i++) { if(st.find(s[i]) == st.end()) { while(sta.size()>0) sta.pop(); continue; } if(s[i] == 'f') { sta.push("f"); continue; } else if(s[i] == 'o') { if(sta.size() == 0) continue; if(sta.top() == "f") { sta.pop(); sta.push("fo"); continue; } while(sta.size()>0) sta.pop(); } else { if(sta.size() == 0) continue; if(sta.top() != "fo") { while(sta.size()>0) sta.pop(); continue; } ans++; sta.pop(); } } cout<<n-(3*ans)<<"\n"; return 0; }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < n; i++) using ll =long long; using P =pair<int,int>; int main() { // codehere string s; cin >> s; cout << s[1] << s[2] << s[0]<<'\n'; return 0; }
#include<iostream> #include<string> #include<algorithm> #include<cmath> #include<ctime> #include<map> #include<vector> #include<math.h> #include<stdio.h> #include<stack> #include<queue> #include<tuple> #include<cassert> #include<set> #include<bitset> #include<functional> #include <fstream> //#include<bits/stdc++.h> #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #define rep(i, x) for(ll i = 0; i < x; i++) #define rep2(i, x) for(ll i = 1; i <= x; i++) #define all(a) (a).begin(),(a).end() #define puts(x) cout << (x) << "\n" using ll = long long; using ld = long double; using namespace std; const ll INF = 1000000000000000000; const int intINF = 1000000000; const ll mod = 1000000007; const ll MOD = 998244353; const ld pi = 3.141592653589793238; //const ld EPS = 1e-9; bool isprime(int p) { if (p == 1) return false; for (int i = 2; i < p; i++) { if (p % i == 0) return false; } return true; } ll gcd(ll a, ll b) { if (a < b)swap(a, b); if (a % b == 0)return b; return gcd(b, a % b); } // 返り値: a と b の最大公約数 // ax + by = gcd(a, b) を満たす (x, y) が格納される //main関数内に extGCD(a, b, x, y); でx, yに解が格納 ll extGCD(ll a, ll b, ll& x, ll& y) { if (b == 0) { x = 1; y = 0; return a; } ll d = extGCD(b, a % b, y, x); y -= a / b * x; return d; } ll lcm(ll a, ll b) { return a / gcd(a, b) * b; } ll keta(ll n) { ll res = 0; while (n >= 1) { res += n % 10; n /= 10; } return res; } ll modpow(ll x, ll y) { ll res = 1; while (y) { if (y % 2) { res *= x; res %= MOD; } x = x * x % MOD; y /= 2; } return res; } ll nCk(ll n, ll k) { ll a = 1, b = 1; for (int h = n - k + 1; h <= n; h++) { a *= h; a %= mod; } for (int h = 1; h <= k; h++) { b *= h; b %= mod; } return a * modpow(b, mod - 2) % mod; } //printf("%.10f\n", n); typedef pair <ll, ll> P; typedef pair <ld, ll> pp; ll dx[4] = { 1, 0, -1, 0 }, dy[4] = { 0, 1, 0, -1 }; //struct edge { ll to, cost; }; struct status { ll to; ll cost; ll bai; bool operator<(const status& rhs) const { return cost < rhs.cost; }; bool operator>(const status& rhs) const { return cost > rhs.cost; }; }; signed main() { ios::sync_with_stdio(false); std::cin.tie(nullptr); //cout << fixed << setprecision(15); //input string s; cin >> s; string t; t.push_back(s[1]); t.push_back(s[2]); t.push_back(s[0]); cout << t << endl; return 0; }
#include<iostream> #include<cstring> #include<vector> #include<queue> using namespace std; const int N = 1e3 + 10; int main(){ int a,b,c; cin >> a>> b >>c; if(a - b == b - c || a - c == c - b || b - a == a - c || b - c == c - a || c - a == a - b){ cout << "Yes" <<endl; }else cout <<"No" <<endl; return 0; }
#include <iostream> #include <cstring> #include <algorithm> #include <vector> #include <utility> #include <map> #include <set> #include <queue> using namespace std; #define rep(i, n) for(int i = 0; i < (int)(n); i++) #define pb push_back #define SORT(c) sort((c).begin(),(c).end()) #define RSORT(c) sort((c).rbegin(),(c).rend()) using ll = long long; typedef vector<int> VI; typedef vector<VI> VVI; ll a,b,c; int main() { cin >> a>>b>>c; if(a==b)cout<<c<<endl; else if(a==c)cout<<b<<endl; else if(c==b)cout<<a<<endl; else cout<<"0"<<endl; return 0; }
#include <bits/stdc++.h> using namespace std; void potato() { long long n; cin >> n; int ans = 0; for(auto x = 1LL; ; x++) { if(stoll(to_string(x) + to_string(x)) > n) break; ans++; } cout << ans << '\n'; } signed main() { ios::sync_with_stdio(false); cin.tie(0); int tt=1; while(tt--) potato(); return 0; }
#include <bits/stdc++.h> using namespace std; int main(){ double N; cin >> N; if((int)(N*1.08)<206) cout << "Yay!" << endl; else if((int)(N*1.08)==206) cout << "so-so" << endl; else cout << ":(" << endl; }
#include<bits/stdc++.h> typedef int LL; typedef double dl; #define opt operator #define pb push_back const LL maxn=1e6+9,mod=998244353,inf=0x3f3f3f3f; LL Read(){ LL x(0),f(1); char c=getchar(); while(c<'0' || c>'9'){ if(c=='-') f=-1; c=getchar(); } while(c>='0' && c<='9'){ x=(x<<3ll)+(x<<1ll)+c-'0'; c=getchar(); }return x*f; } void Chkmin(LL &x,LL y){ if(y<x) x=y; } void Chkmax(LL &x,LL y){ if(y>x) x=y; } LL add(LL x,LL y){ return x+=y,x>=mod?x-mod:x; } LL dec(LL x,LL y){ return x-=y,x<0?x+mod:x; } LL mul(LL x,LL y){ return 1ll*x*y%mod; } LL Pow(LL base,LL b){ LL ret(1); while(b){ if(b&1) ret=mul(ret,base); base=mul(base,base); b>>=1; }return ret; } LL n,k; LL fa[maxn],size[maxn],fac[maxn]; LL a[100][100]; LL Find(LL x){ return fa[x]==x?x:fa[x]=Find(fa[x]); } void Merge(LL x,LL y){ LL fx(Find(x)),fy(Find(y)); if(fx==fy) return; size[fx]+=size[fy]; fa[fy]=fx; } void Init(){ for(LL i=1;i<=n;++i) fa[i]=i,size[i]=1; } int main(){ n=Read(); k=Read(); fac[0]=1; for(LL i=1;i<=n;++i) fac[i]=mul(fac[i-1],i); for(LL i=1;i<=n;++i){ for(LL j=1;j<=n;++j) a[i][j]=Read(); } Init(); for(LL x=1;x<=n;++x){ for(LL y=x+1;y<=n;++y){ LL flag(1); for(LL i=1;i<=n;++i) flag&=(a[i][x]+a[i][y]<=k); if(flag){ Merge(x,y); } } } LL ret(1); for(LL i=1;i<=n;++i) if(Find(i)==i){ ret=1ll*ret*fac[size[i]]%mod; } Init(); for(LL x=1;x<=n;++x){ for(LL y=x+1;y<=n;++y){ LL flag(1); for(LL i=1;i<=n;++i) flag&=(a[x][i]+a[y][i]<=k); if(flag){ Merge(x,y); } } } for(LL i=1;i<=n;++i) if(Find(i)==i){ ret=1ll*ret*fac[size[i]]%mod; } printf("%d\n",ret); return 0; }
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> using namespace std; using namespace __gnu_pbds; template <typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; #define endl '\n' #define pb push_back #define ub upper_bound #define lb lower_bound #define fi first #define se second #define int long long typedef long long ll; typedef long double ld; #define pii pair<int,int> #define pll pair<ll,ll> #define sz(x) ((long long)x.size()) #define fr(a,b,c) for(int a=b; a<=c; a++) #define frev(a,b,c) for(int a=c; a>=b; a--) #define rep(a,b,c) for(int a=b; a<c; a++) #define trav(a,x) for(auto &a:x) #define all(con) con.begin(),con.end() #define done(x) {cout << x << endl;return;} #define mini(x,y) x=min(x,y) #define maxi(x,y) x=max(x,y) const ll infl = 0x3f3f3f3f3f3f3f3fLL; const int infi = 0x3f3f3f3f; mt19937_64 mt(chrono::steady_clock::now().time_since_epoch().count()); //const int mod = 998244353; const int mod = 1e9 + 7; typedef vector<int> vi; typedef vector<string> vs; typedef vector<vector<int>> vvi; typedef vector<pair<int, int>> vpii; typedef map<int, int> mii; typedef set<int> si; typedef set<pair<int,int>> spii; typedef queue<int> qi; uniform_int_distribution<int> rng(0, 1e9); //DEBUG FUNCTIONS START #define cerr cout void __print(int x) {cerr << x;} void __print(double x) {cerr << x;} void __print(long double x) {cerr << x;} void __print(char x) {cerr << '\'' << x << '\'';} void __print(const char *x) {cerr << '\"' << x << '\"';} void __print(const string &x) {cerr << '\"' << x << '\"';} void __print(bool x) {cerr << (x ? "true" : "false");} template<typename T, typename V> void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';} template<typename T> void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";} void _print() {cerr << "\n";} template <typename T, typename... V> void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);} #ifdef LOCAL #define deb(x...) _print(x) #else #define deb(x...) #endif // DEBUG FUNCTIONS END const int N = 1e3 + 5; int a[N][N]; int x[N][N]; int y[N][N]; void solve(){ int n, k; cin >> n >> k; fr(i,1,n){ fr(j,1,n){ cin >> a[i][j]; } } int l = 0, h = 1e9; while(l < h){ int mid = (l + h) / 2; fr(i,1,n){ fr(j,1,n){ x[i][j] = (a[i][j] <= mid) ? -1 : 1; } } fr(i,1,n){ fr(j,1,n){ y[i][j] = y[i-1][j] + y[i][j-1] - y[i-1][j-1] + x[i][j]; } } bool ok = 0; fr(i,k,n){ fr(j,k,n){ int z = y[i][j] - y[i-k][j] - y[i][j-k] + y[i-k][j-k]; if(z <= 0){ ok = 1; } } } if(ok) h = mid; else l = mid + 1; } cout << l << endl; } signed main() { #ifdef LOCAL (void)!freopen("input.txt","r",stdin); (void)!freopen("output.txt","w",stdout); #endif ios_base::sync_with_stdio(0), cin.tie(0); cout << fixed << setprecision(15); int t = 1; //cin >> t; while (t--) solve(); return 0; } int powm(int a, int b){ int res = 1; while (b) { if (b & 1) res = res * a % mod; a = a * a % mod; b >>= 1; } return res; } int divide(int a, int b) { return (a % mod) * powm(b % mod, mod - 2) % mod; }
#include <bits/stdc++.h> using namespace std; #define ll long long int #define endl "\n" #define F first #define S second #define pb push_back #define all(a) (a).begin(), (a).end() #define debug(a) cout << #a << " = " << a << " "; template<typename T> istream &operator>>(istream &is, vector<T> &vec) { for (auto &v : vec) is >> v; return is; } template<typename T> using min_heap = priority_queue<T, vector<T>, greater<T>>; const int MOD=1000000007; const int N=100005; int n,m; int a[1505][1505]; bool vis[1505][1505][4]; map< pair<int,int> , int > mp; void Run(int x,int y,int dx,int dy) { if (x <= 0 || y <= 0 || x > n || y > m) return; if (a[x][y] == -1) return; if (vis[x][y][mp[{dx, dy}]]) return; vis[x][y][mp[{dx, dy}]] = true; Run(x + dx, y + dy, dx, dy); } void solve() { cin >> n >> m; memset(a, 0, sizeof(a)); memset(vis, false, sizeof(vis)); long bulb, block; cin >> bulb >> block; while (bulb--) { long x, y; cin >> x >> y; a[x][y] = 1; } while (block--) { long x, y; cin >> x >> y; a[x][y] = -1; } mp[{-1, 0}] = 0; mp[{1, 0}] = 1; mp[{0, -1}] = 2; mp[{0, 1}] = 3; for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { if (a[i][j] == 1) { Run(i, j, -1, 0); Run(i, j, 1, 0); Run(i, j, 0, -1); Run(i, j, 0, 1); } } } int Ans = 0; for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) Ans += (vis[i][j][0] || vis[i][j][1] || vis[i][j][2] || vis[i][j][3]) * 1; } cout << Ans << endl; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); long int t=1; // cin>>t; // DON'T FORGET IT. ^^^ for(long int tt=1;tt<=t;tt++){ solve(); } cerr << "Time : " << 1000 * ((double) clock()) / (double) CLOCKS_PER_SEC << "ms\n"; return 0; }
#include <iostream> #include <vector> //#include <string> //#include <algorithm> //#include <math.h> //#include <queue> //#include <stack> //#include <iomanip> // sometimes used //#include <set> //#include <map> //#include <numeric> //#include <list> //#include <deque> //#include <unordered_map> typedef long long LL; //typedef long double LD; using namespace std; //#define MOD 1000000007 //#define MOD 998244353 //#define MAX 100100 #define NIL -1 //#define INFTY 1000000000000000000 int main(){ LL h; LL w; LL n; LL m; cin >> h >> w >> n >> m; vector<vector<LL>> brk(h, vector<LL>(w, 0)); vector<vector<bool>> x_sft(h, vector<bool>(w, false)); vector<vector<bool>> y_sft(h, vector<bool>(w, false)); LL a; LL b; for(LL i=0; i<n; i++){ cin >> a >> b; a--; b--; brk[a][b]=1; x_sft[a][b]=true; y_sft[a][b]=true; } for(LL i=0; i<m; i++){ cin >> a >> b; a--; b--; brk[a][b]=NIL; } for(LL i=0; i<h; i++){ for(LL j=1; j<w; j++){ if(x_sft[i][j-1]==true && brk[i][j]!=NIL){ x_sft[i][j]=true; } } for(LL j=w-2; j>=0; j--){ if(x_sft[i][j+1]==true && brk[i][j]!=NIL){ x_sft[i][j]=true; } } } for(LL i=0; i<w; i++){ for(LL j=1; j<h; j++){ if(y_sft[j-1][i]==true && brk[j][i]!=NIL){ y_sft[j][i]=true; } } for(LL j=h-2; j>=0; j--){ if(y_sft[j+1][i]==true && brk[j][i]!=NIL){ y_sft[j][i]=true; } } } /* for(LL i=0; i<h; i++){ for(LL j=0; j<w; j++){ if(x_sft[i][j]==true){ cout << 1; }else{ cout << 0; } } cout << endl; } for(LL i=0; i<h; i++){ for(LL j=0; j<w; j++){ if(y_sft[i][j]==true){ cout << 1; }else{ cout << 0; } } cout << endl; } */ LL ans=0; for(LL i=0; i<h; i++){ for(LL j=0; j<w; j++){ if(x_sft[i][j]==true || y_sft[i][j]==true){ ans++; } } } cout << ans << endl; return 0; }
#undef _GLIBCXX_DEBUG // Problem: F - Rook on Grid // Contest: AtCoder - Panasonic Programming Contest (AtCoder Beginner Contest 186) // URL: https://atcoder.jp/contests/abc186/tasks/abc186_f // Memory Limit: 1024 MB // Time Limit: 2000 ms // Powered by CP Editor (https://github.com/cpeditor/cpeditor) #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> // Common file #include <ext/pb_ds/tree_policy.hpp> // Including tree_order_statistics_node_update using namespace std; using namespace __gnu_pbds; typedef tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set; struct splitmix64_hash { static uint64_t splitmix64(uint64_t x) { // http://xorshift.di.unimi.it/splitmix64.c x += 0x9e3779b97f4a7c15; x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9; x = (x ^ (x >> 27)) * 0x94d049bb133111eb; return x ^ (x >> 31); } size_t operator()(uint64_t x) const { static const uint64_t FIXED_RANDOM = std::chrono::steady_clock::now().time_since_epoch().count(); return splitmix64(x + FIXED_RANDOM); } }; template <typename K, typename V, typename Hash = splitmix64_hash> using hash_map = __gnu_pbds::gp_hash_table<K, V, Hash>; template <typename K, typename Hash = splitmix64_hash> using hash_set = hash_map<K, __gnu_pbds::null_type, Hash>; #define FOR(i,a,b) for(int i = (a); i <= (b); ++i) #define FORD(i,a,b) for(int i = (a); i >= (b); --i) #define RI(i,n) FOR(i,1,(n)) #define REP(i,n) FOR(i,0,(n)-1) #define mini(a,b) a=min(a,b) #define maxi(a,b) a=max(a,b) #define pb push_back #define st first #define nd second #define sz(w) (int) w.size() typedef vector<int> vi; typedef long long ll; typedef long double ld; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef pair<pii, int> para; const ll inf = 1e18 + 7; const ll maxN = 1e6 + 5; const ll MOD = 1e9 + 7; int n, m, o; int row[maxN], col[maxN]; // sprawdz MODULO! int main() { mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin >> n >> m >> o; RI(i, m) col[i] = -1; RI(i, n) row[i] = -1; REP(_, o) { int a, b; cin >> a >> b; if (row[a] == -1) row[a] = b - 1; else row[a] = min(row[a], b - 1); if (col[b] == -1) col[b] = a - 1; else col[b] = min(col[b], a - 1); } ll ans = 0; vector<pii> vec; if (row[1] == -1) row[1] = m; RI(i, m) { if (col[i] == -1) col[i] = n; if (i <= row[1]) { ans += col[i]; vec.pb({col[i], i}); } else { vec.pb({0, i}); } } // cout << ans << endl; ordered_set s; sort(vec.begin(), vec.end()); int cnt = 0; RI(i, col[1]) { while (cnt != m && vec[cnt].st < i) { s.insert(vec[cnt].nd); cnt++; } if (row[i] == -1) row[i] = m; // cout << i << " " << cnt << " " << row[i] << endl; ans += s.order_of_key(row[i] + 1); } cout << ans; return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; #define ALL(obj) (obj).begin(),(obj).end() template<class T> using priority_queue_reverse = priority_queue<T,vector<T>,greater<T>>; constexpr long long MOD = 1'000'000'000LL + 7; //' constexpr long long MOD2 = 998244353; constexpr long long HIGHINF = (long long)1e18; constexpr long long LOWINF = (long long)1e15; constexpr long double PI = 3.1415926535897932384626433L; template <class T> vector<T> multivector(size_t N,T init){return vector<T>(N,init);} template <class... T> auto multivector(size_t N,T... t){return vector<decltype(multivector(t...))>(N,multivector(t...));} template <class T> void corner(bool flg, T hoge) {if (flg) {cout << hoge << endl; exit(0);}} template <class T, class U>ostream &operator<<(ostream &o, const map<T, U>&obj) {o << "{"; for (auto &x : obj) o << " {" << x.first << " : " << x.second << "}" << ","; o << " }"; return o;} template <class T>ostream &operator<<(ostream &o, const set<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;} template <class T>ostream &operator<<(ostream &o, const multiset<T>&obj) {o << "{"; for (auto itr = obj.begin(); itr != obj.end(); ++itr) o << (itr != obj.begin() ? ", " : "") << *itr; o << "}"; return o;} template <class T>ostream &operator<<(ostream &o, const vector<T>&obj) {o << "{"; for (int i = 0; i < (int)obj.size(); ++i)o << (i > 0 ? ", " : "") << obj[i]; o << "}"; return o;} template <class T, class U>ostream &operator<<(ostream &o, const pair<T, U>&obj) {o << "{" << obj.first << ", " << obj.second << "}"; return o;} void print(void) {cout << endl;} template <class Head> void print(Head&& head) {cout << head;print();} template <class Head, class... Tail> void print(Head&& head, Tail&&... tail) {cout << head << " ";print(forward<Tail>(tail)...);} template <class T> void chmax(T& a, const T b){a=max(a,b);} template <class T> void chmin(T& a, const T b){a=min(a,b);} vector<string> split(const string &str, const char delemiter) {vector<string> res;stringstream ss(str);string buffer; while( getline(ss, buffer, delemiter) ) res.push_back(buffer); return res;} int msb(int x) {return x?31-__builtin_clz(x):-1;} void YN(bool flg) {cout << (flg ? "YES" : "NO") << endl;} void Yn(bool flg) {cout << (flg ? "Yes" : "No") << endl;} void yn(bool flg) {cout << (flg ? "yes" : "no") << endl;} /* * @title NBase - N進数 * @docs md/util/NBase.md */ class NBase{ public: inline static vector<long long> translate(long long X,long long N) { assert(abs(N)>1); vector<long long> res; while(1) { long long b = (X%abs(N)+abs(N)) % abs(N); res.push_back(b); (X -= b) /= N; if(X==0) break; } return res; } //Digit Sum inline static constexpr long long digit_sum(long long N, long long K) { long long sum = 0; for (; N > 0; N /= K) sum += N % K; return sum; } }; /** * @url * @est */ int main() { cin.tie(0);ios::sync_with_stdio(false); int A,B; cin >> A >> B; cout << max(NBase::digit_sum(A,10),NBase::digit_sum(B,10)) << endl; return 0; }
#define _GLIBCXX_DEBUG #include <bits/stdc++.h> #include <sys/time.h> using namespace std; class XorShift128 { private: uint32_t x, y, z, w; public: XorShift128() : x(123456789), y(362436069), z(521288629), w(88675123) { } uint32_t rnd() { uint32_t t = x ^ (x << 11); x = y; y = z; z = w; return w = (w ^ (w >> 19)) ^ (t ^ (t >> 8)); } uint32_t rnd(int n) { return rnd() % n; } uint32_t rnd(int l, int r) { return rnd() % (r - l + 1) + l; } }; long long get_time() { struct timeval tv; gettimeofday(&tv, NULL); long long result = tv.tv_sec * 1000LL + tv.tv_usec / 1000LL; return result; } template<typename TYPE> ostream& operator<<(ostream& ostr, const vector<TYPE>& vec) { ostr << "("; for(TYPE e : vec) { ostr << e << ", "; } ostr << ")"; return ostr; } long long start; XorShift128 xor_shift_128; const int SIZE = 50; class Solver { int sh, sw; int tile[SIZE][SIZE]; int point[SIZE][SIZE]; public: Solver(); void run(); }; Solver::Solver() { cin >> sh >> sw; for(int hi = 0; hi < SIZE; ++hi) { for(int wi = 0; wi < SIZE; ++wi) { cin >> tile[hi][wi]; } } for(int hi = 0; hi < SIZE; ++hi) { for(int wi = 0; wi < SIZE; ++wi) { cin >> point[hi][wi]; } } } void Solver::run() { } int main() { start = get_time(); ios::sync_with_stdio(false); cin.tie(nullptr); Solver solver; solver.run(); }
#include <bits/stdc++.h> using namespace std; #define int long long #define mat vector<vector<int>> #define vi vector<int> #define ff first #define ss second #define ll long long #define pb push_back #define pi pair<int, int> #define inf 1000000000 #define mod 1000000007 #define rep(i,a,b) for(int i=a; i<b; i++) #define rrep(i,a,b) for(int i=b; i>=a; i--) //#define endl "\n" int dx[4]={1,0,-1,0}; int dy[4]={0,1,0,-1}; char dir[4]={'D','R','U','L'}; //****DO NOT TOUCH ABOVE THIS LINE****// //#define kk const int maxN=1e5+5; int arr[50][50]; int joiner[50][50]; int vis[50][50]; int maxCost; string ans; bool isValid(int x, int y){ if(x<0 || x>49 || y<0 || y>49 || vis[x][y]) return false; return true; } void dfs(int x, int y, int cost, string path){ vis[x][y]=1; rep(i,0,4){ int a=x+dx[i], b=y+dy[i]; if(isValid(a,b) && joiner[a][b]==joiner[x][y]){ vis[a][b]=1; } } int cnt=0; rep(i,0,4){ int a=x+dx[i], b=y+dy[i]; if(isValid(a,b)){ cnt++; dfs(a,b,cost+arr[a][b],path+dir[i]); } } if(cnt==0){ if(maxCost<cost){ maxCost=cost; ans=path; } } //vis[x][y]=0; //rep(i,0,4){ //int a=x+dx[i], b=y+dy[i]; //if(joiner[a][b]==joiner[x][y]){ //vis[a][b]=0; //} //} } void solve(){ int x,y; cin>>x>>y; rep(i,0,50){ rep(j,0,50){ cin>>joiner[i][j]; } } rep(i,0,50){ rep(j,0,50){ cin>>arr[i][j]; } } dfs(x,y,arr[x][y],""); cout<<ans<<endl; } //****DO NOT TOUCH BELOW THIS LINE****// signed main(){ ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); cout<<fixed<<setprecision(5); #ifdef kk freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif int T=1; //cin>>T; while(T--){ solve(); } }
//#include "bits/stdc++.h" #define _USE_MATH_DEFINES #include<cstdio> #include <cstring> #include <cmath> #include <cstdlib> #include <deque> #include <algorithm> #include <functional> #include <iostream> #include <list> #include <map> #include <array> #include <unordered_map> #include<unordered_set> #include <numeric> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <utility> #include <vector> #include <iterator> #include<iomanip> #include<complex> #include<fstream> #include<assert.h> #include<stdio.h> using namespace std; #define rep(i,a,b) for(int i=(a), i##_len=(b);i<i##_len;i++) #define rrep(i,a,b) for(int i=(b)-1;i>=(a);i--) #define all(c) begin(c),end(c) //#define int ll #define SZ(x) ((int)(x).size()) #define pb push_back #define mp make_pair typedef unsigned long long ull; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef pair<ll, int> pli; typedef pair<int, double> pid; typedef pair<double, int> pdi; typedef pair<double, double> pdd; typedef vector< vector<int> > mat; template<class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; } template<class T> bool chmin(T &a, const T &b) { if (b < a) { a = b; return true; } return false; } const int INF = sizeof(int) == sizeof(long long) ? 0x3f3f3f3f3f3f3f3fLL : 0x3f3f3f3f; const int MOD = (int)1e9 + 7; const double EPS = 1e-9; signed main() { cin.tie(0); ios::sync_with_stdio(false); int R, C; cin >> R >> C; vector<vector<int>> A(R, vector<int>(C-1)), B(R-1, vector<int>(C)); rep(i, 0, R)rep(j, 0, C - 1)cin >> A[i][j]; rep(i, 0, R - 1)rep(j, 0, C)cin >> B[i][j]; vector<vector<pii>> G(R*C); rep(i, 0, R)rep(j, 0, C) { int p = i * C + j; if (i < R - 1) { int np = (i + 1)*C + j; G[p].push_back(mp(np, B[i][j])); } if (j < C - 1) { int np = (i)*C + j + 1; G[p].push_back(mp(np, A[i][j])); } if (j > 0) { int np = (i)*C + j - 1; G[p].push_back(mp(np, A[i][j - 1])); } rep(h, 0, i) { int np = h * C + j; G[p].push_back(mp(np, 1 + (i - h))); } } vector<int> D(R*C, INF); D[0] = 0; priority_queue<pii, vector<pii>, greater<pii>> pq; pq.push(mp(D[0], 0)); while (!pq.empty()) { auto p = pq.top(); pq.pop(); if (D[p.second] < p.first)continue; for (auto& e : G[p.second]) { if (chmin(D[e.first], p.first + e.second)) { pq.push(mp(D[e.first], e.first)); } } } cout << D[R*C-1] << endl; return 0; }
#include<iostream> #include<vector> #include<math.h> #include<algorithm> #include<stack> #include<list> #include<queue> #include<set> #include<string> #include<string.h> #include <sstream> #include<map> #include<iomanip> #pragma GCC optimize("Ofast") #pragma GCC target("avx,avx2,fma") //#pragma GCC optimization("unroll-loops") /*Ordered set*/ #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; #define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update> #define ll long long #define PI 3.14159265 #define yes cout<<"YES"<<"\n" #define no cout<<"NO"<<"\n" using namespace std; const ll MOD = 1000000007; ll gcd(ll a,ll b){ if(a==0) return b; return gcd(b%a,a); } ll lcm(ll a,ll b){ return (a*b)/gcd(a,b); } bool isPrime(ll n){ for(ll i = 2; i <=sqrt(n); i++) if(n % i == 0) return 0; return 1; } string binaryRepresentation(int x){ string s=""; for (int i = 31; i >= 0; i--) { if (x&(1<<i)) cout << "1"; else cout << "0"; } return s; } ll combination(ll n,ll r){ if(r==n || r==0) return 1LL; return combination(n-1,r-1) + combination(n-1,r); } bool isPowerOfTwo(ll n){ if(n==0) return false; return (ceil(log2(n)) == floor(log2(n))); } ll power(ll a,ll b){ ll ans=1; while(b) { if(b&1) ans=(ans*a)%MOD; b/=2; a=(a*a)%MOD; } return ans%MOD; } ll inverse(ll i){ if(i==1) return 1; return (MOD-((MOD/i)*inverse(MOD%i))%MOD+MOD)%MOD; } string toString(ll a){ ostringstream temp; temp << a; return temp.str(); } ll toNumber(string s){ stringstream num(s); ll x=0; num>>x; return x; } int main() { //vector<vector<ll> >ar(n,vector<ll> (m,0)); //vector<ll>::iterator ptr; ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); ll n,k; cin>>n>>k; vector<vector<ll> >ar(n,vector<ll>(n,0)); for(ll i=0;i<n;i++) { for(ll j=0;j<n;j++) { ll x; cin>>x; ar[i][j]=x; } } ll low=0; ll high=1e9+1; ll med=(k*k)/2+1; ll r=k-1; while(low<=high) { ll mid=(low+high)/2; //cout<<" mid : "<<mid<<"\n"; /* Mid will be the possible median value */ vector<vector<ll> >temp=ar; for(ll i=0;i<n;i++) { for(ll j=0;j<n;j++) { if(ar[i][j]>mid) temp[i][j]=1; else temp[i][j]=0; } } //for(ll i=0;i<n;i++) //{ // for(ll j=0;j<n;j++) // cout<<temp[i][j]<<" "; // cout<<"\n"; //} for(ll i=0;i<n;i++) { for(ll j=1;j<n;j++) { temp[i][j]+=temp[i][j-1]; } } for(ll i=1;i<n;i++) { for(ll j=0;j<n;j++) { temp[i][j]+=temp[i-1][j]; } } bool flag=false; for(ll i=r;i<n;i++) { for(ll j=r;j<n;j++) { ll sum=temp[i][j]; ll row1=i-r; ll col1=j-r; if(row1>0) sum-=temp[row1-1][j]; if(col1>0) sum-=temp[i][col1-1]; if(row1>0 && col1>0) sum+=temp[row1-1][col1-1]; //cout<<" i : "<<i<<" j : "<<j<<" sum : "<<sum<<"\n"; if(sum<med) { flag=true; } } } if(flag) high=mid-1; else low=mid+1; } cout<<low; return 0; }
#include <bits/stdc++.h> #define mid(l,r) ((l + r) >> 1) #define lsb(x) (x & (-x)) #define all(v) v.begin(), v.end() #define rall(v) v.rbegin(), v.rend() #define FOR(X,L,R) for(int X=L;X<R;++X) #define endl '\n' #define int long long #define MOD ((int)1e9 + 7) #define INF (0x3f3f3f3f) #define LLINF (0x3f3f3f3f3f3f3f3fLL) using namespace std; template<typename T> inline void input(vector<T>& v) { for(T& x: v) cin >> x; } void solve() { int n; cin >> n; vector<int> a(n), b(n), c(n); input(a); input(b); input(c); vector<int> cnt_pos(n); FOR(i, 0, n) { cnt_pos[c[i] - 1] ++; } vector<int> sum_pos(n); FOR(i, 0, n) { sum_pos[b[i] - 1] += cnt_pos[i]; } int ans = 0; FOR(i, 0, n) { ans += sum_pos[a[i] - 1]; } cout << ans << endl; } signed main() { ios_base::sync_with_stdio(0); cin.tie(0); #if defined(CODEFORCES) || defined(CF) int t; cin >> t; while(t--) solve(); #else solve(); #endif return 0; }
#include <iostream> #include <vector> #include <map> #include <stack> #include <queue> #include <bitset> #include <algorithm> #include <sstream> #include <limits.h> #include <stdio.h> using namespace std; int main() { int n; cin >> n; int a[n]; for(int i=0; i<n; i++){ int tmp; cin >> tmp; a[i] = tmp; } int mx = 0; int ans = 2; for(int i=2; i<=1000; i++){ int cnt = 0; for(int j=0; j<n; j++){ if(a[j]%i == 0){ cnt++; } } if(mx < cnt){ mx = cnt; ans = i; } } cout << ans << endl; return 0; }
#include <iostream> #include <limits> #include <vector> #include <algorithm> using namespace std; long long count(int x, const vector<int> primes) { // {i : i <= x, gcd(i, prod(primes) ) == 1} int n = primes.size(); long long res = 0; for (int msk = 0; msk < (1<<n); msk++) { int c = 0; int y = 1; for (int i=0; i < n; i++) { if (msk & (1 << i)) { c++; y *= primes[i]; } } if (c % 2 == 0) res += x / y; else res -= x / y; } return res; } int main () { int L, R; cin >> L >> R; long long answer = 0; for (int x = L; x <= R; x++) { if (x == 1) continue; vector<pair<long long, long long> > factors; vector<int> primes; { int f = x; for (int i = 2; (long long)i * i <= f; i++) { if (f % i != 0) continue; long long ex = 1; while (f % i == 0) { f /= i; ex *= i; } factors.push_back({ex, ex/i}); primes.push_back(i); } if (f > 1) primes.push_back(f); } //cerr << x << " " << R << " " << primes.size() << " " << count(R, primes) << endl; answer += (long long)(R-x+1) - (count(R, primes) - count(x-1, primes)); answer -= R / x; } cout << answer * 2 << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; #define p(x,y) pair<x,y> #define oset(x) tree<x, null_type, less<x>, rb_tree_tag, tree_order_statistics_node_update> #define all(x) (x).begin(),(x).end() #define ll long long #define scan(a) for(auto &it:a)cin>>it; #define print(a) {for(auto it:a)cout<<it<<" ";cout<<endl;} #define out(x) cout<<((x)?"YES":"NO")<<endl; #define rep(i, begin, end) for (__typeof(end) i = (begin) - ((begin) > (end)); i != (end) - ((begin) > (end)); i += 1 - 2 * ((begin) > (end))) #define int ll void solve() { int l,r; cin>>l>>r; int cnt[r+1]={};//count of distinct prime if more than 1 same prime than INT_MIN rep(i,2,r+1) { if(cnt[i]!=0) continue; for(ll j=i;j<=r;j+=i) cnt[j]++; for(ll j=i*i*1LL;j<=r;j+=i*i*1LL) cnt[j]=INT_MIN; } //counting comprime in l,r; int copairs=0;//coprime pairs(x,y) where x<y rep(i,1,r+1) { if(cnt[i]<0) continue; ll mul=(r/i)-((l-1)/i); ll pairs=(mul*(mul-1))/2; if(cnt[i]%2) copairs-=pairs; else copairs+=pairs; } copairs*=2LL; int gcdgpairs=0; //(x,y) pairs where k*x=y k>1 for(int i=max(l,2LL);i<=r;i++) gcdgpairs+=(r/i)-1; gcdgpairs*=2LL; int equalpairs=r-l+1; int ans=(r-l+1)*(r-l+1)-gcdgpairs-copairs-equalpairs; cout<<ans; } int32_t main() { ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL); int t=1; //init(); //cin>>t; while(t--) { solve(); } return 0; }
//Common Header Simple over C++11 #include<bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef long double ld; typedef pair<int,int> pii; #define pb push_back #define eb emplace_back #define mp make_pair #define fi first #define se second #define all(x) (x).begin(),(x).end() #define memset0(x) memset((x),0,sizeof(x)); //#define endl '\n' #define count2(x) __builtin_popcount(x) #define countleadingzero(x) __builtin_clz(x) #define dd(x) cerr << #x << " = " << x << ' '; #define de(x) cerr << #x << " = " << x << endl; //inline char nc() { // static char buf[1000000], *p = buf, *q = buf; // return p == q && (q = (p = buf) + fread(buf, 1, 1000000, stdin), p == q) // ? EOF // : *p++; //} inline ll rd(){//LLONG_MIN LMAX=9,223,372,036,854,775,807 ll s=0,w=1;char ch=getchar(); while(ch<'0'||ch>'9'){if(ch=='-')w=-1;ch=getchar();} while(ch>='0' && ch<='9')s=s*10+ch-'0',ch=getchar(); return s*w; } const int N=3e5+1; const int maxn=2e5+1; int tot; struct seg{ int root,ls,rs; long long val; }tre[maxn*100]; inline void insert(int &now,int l,int r,int x,int val){//单点插入 if(!now) now=++tot; tre[now].val+=val; if(l==r) return ; const int mid=(l+r-1)/2;//因为可能修改负数位置的值,求mid时不能用(cl+cr)/2而要用(cl+cr-1)/2 if(x<=mid)insert(tre[now].ls,l,mid,x,val); else insert(tre[now].rs,mid+1,r,x,val); } int L=-1e6,R=1e6; inline long long ask(int l,int r,int& now,int cl=L,int cr=R){//区间询问 if(!now) now=++tot; if(cl>r||cr<l) return 0; else if(cl>=l&&cr<=r) return tre[now].val; else{ int mid=(cl+cr-1)/2; return ask(l,r,tre[now].ls,cl,mid) +ask(l,r,tre[now].rs,mid+1,cr); } } inline void ins(int v){//单点插入 insert(tre[1].root,L,R,v,1); //根节点插入 值域L-R +1 } inline void remove(int v){//单点删除 insert(tre[1].root,L,R,v,-1);//根节点插入 值域L-R +1 } inline long long countless(int v){//查小于v的有多少个 return ask(L,v-1,tre[1].root);//计数[L,v-1]的桶 } inline long long countgreat(int v){//查大于v的有多少个 return ask(v+1,R,tre[1].root);//计数[v+1,R]的桶 } inline int Rank(int v){//查数是第几大 return countless(v)+1;//计数[L,v-1]的桶+1 } inline int kth(int &now,int l,int r,int k){//查第k大的数 if(l==r) return l; int mid=(l+r-1)/2; if(tre[tre[now].ls].val>=k){ return kth(tre[now].ls,l,mid,k); } else{ return kth(tre[now].rs,mid+1,r,k-tre[tre[now].ls].val); } } inline int pre(int v){//前驱 int t=countless(v); return kth(tre[1].root,L,R,t); } inline int suc(int v){//后继 int t=tre[1].val-countgreat(v)+1; return kth(tre[1].root,L,R,t); } int main(){ ios::sync_with_stdio(0),cin.tie(0),cout.tie(0); int n; cin>>n; deque<int>dq; for(int i=1;i<=n;++i){ int fafa; cin>>fafa; dq.push_back(fafa+1); } vector<ll>ans; ll now=0; for(int i=n-1;i>=0;--i){ now+=countless(dq[i]); ins(dq[i]); } ans.push_back(now); for(int i=1;i<n;++i){ int FR=dq.front(); dq.pop_front(); now-=countless(FR); dq.push_back(FR); now+=countgreat(FR); ans.pb(now); } for(auto i:ans)cout<<i<<'\n'; return 0; }
//##### ##### ##### ##### ##### # ##### # #// //# # # # # # # # # # # ## ##// //##### ##### ##### # ##### # ##### # # #// //## # # # # # # # # # # #// //# # # # # # # # # # # # #// //# # # # # # # # # # # # #// //# # # # ##### ##### # # ##### # # # #// #include<bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; #define pbds tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update> using namespace std; #define ll long long #define pb push_back #define ppb pop_back #define cs(n) cout<<n<<" " #define rep(i,j,k) for(int i=j;i<k;i++) #define rrep(i,j,k) for(int i=j;i>=k;i--) #define fastio ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); #define de2(x) cout << #x << " " << x << endl; #define rept(it,v) for(auto it=v.begin(); it!=v.end(); it++) #define sz(v) (int)(v.size()) #define printdec(x,y) cout<< fixed << setprecision(y) << x #define ff first #define ss second #define all(x) x.begin(), x.end() #define deb(x) cout<<#x<<" : "<<x<<"\n" #define int long long template<typename... T> void read(T&... args) { ((cin >> args), ...); } template<typename... T> void write(T&&... args) { ((cout << args << " "), ...); } template<typename... T> void writen(T&&... args) { ((cout << args << "\n"), ...); } template<typename... T> void cn(T&&... args) { ((cout << args << " "), ...); cout << "\n"; } ll bin(ll a, ll b, ll mod) { if (b == 0) return 1; if (b % 2 == 0) return bin((a * a) % mod , b / 2 , mod) % mod; return ((a % mod) * (bin((a * a) % mod , b / 2 , mod) % mod)) % mod; } void solve() { int n; read(n); int ar[n + 5]; rep(i, 0, n) { read(ar[i]); } pbds s; s.insert(ar[0]); int cnt = 0; rep(i, 1, n) { s.insert(ar[i]); int inv = s.order_of_key(ar[i] + 1); cnt += sz(s) - inv; } cout << cnt << "\n"; rep(i, 0, n - 1) { cnt -= ar[i]; cnt += (n - 1 - ar[i]); cout << cnt << "\n"; } } signed main() { fastio; int t; t = 1; // cin >> t; while (t--) { solve(); } #ifndef ONLINE_JUDGE cout << "\nTime Elapsed: " << 1.0 * clock() / CLOCKS_PER_SEC << " sec\n"; #endif return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long LL; typedef pair<int, int> PII; typedef vector<int> VI; queue<pair<int,int> >Q; VI ans; map<int, int> m; int a[300010]; int main() { ios::sync_with_stdio(false); cin.tie(0);cout.tie(0); int n; cin >> n; for (int i = 1; i <= n; i ++ ) { cin >> a[i]; m[a[i]] ++; } sort(a + 1, a + n + 1); //for (int i = 1; i <= n; i ++ ) cout << a[i] << " "; for (int i = 1; i <= n; i ++ ){ if (ans.size() && ans.back() == a[i]); else ans.push_back(a[i]); } long long sum = n * 1LL * (n - 1) / 2 ; for(auto x : ans){ sum -= m[x] * 1LL * (m[x] - 1) / 2; } cout << sum; return 0; }
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; using namespace std; #define ff first #define ss second #define int long long int #define pb push_back #define mp make_pair #define pii pair<int,int> #define vi vector<int> #define mii map<int,int> #define pqb priority_queue<int> #define pqs priority_queue<int,vi,greater<int> > #define setbits(x) __builtin_popcountint(x) #define zrobits(x) __builtin_ctzint(x) #define mod 1000000007 #define INF 1e18 #define ps(x,y) fixed<<setprecision(y)<<x #define mk(arr,n,type) type *arr=new type[n]; #define w(x) int x; cin>>x; while(x--) #define LCM(a,b) ((a*b)/__gcd(a,b)) #define PI 2*acos(0.0) mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); // If want to add duplicate values replace int with pair below // and give the second pair value always unique in order to add duplicates in set. typedef tree<pii, null_type, less<pii>, rb_tree_tag, tree_order_statistics_node_update> pbds; // W,N,E,S int dx[] = { -1, 0, 1, 0}; int dy[] = {0, -1, 0, 1}; void c_p_c() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif } // seive prime void seive_prime(int N) { vector<bool>prime(N + 1, true); vector<int>prime_no; prime[0] = false; prime[1] = false; for (int i = 4; i <= N; i += 2) { prime[i] = false; } for (int i = 3; i * i <= N; i += 2) { if (prime[i]) { int m = i * i; while (m <= N) { prime[m] = false; m += i; } } } int i = 0; for (auto v : prime) { if (v) prime_no.push_back(i); i++; } // return prime_no; } // Primality Test bool isPrime(int n) { if (n == 2) return true; for (int i = 2; i * i <= n; i++) { if (n % i == 0) return false; } return true; } // Modular Exponentiation int modularExpo(int a, int b, int modVal) { int res = 1; while (b > 0) { if (b & 1) { res = (res * a) % modVal; } b = b >> 1; a = (a * a) % modVal; } return (res % modVal); } // Euler Totient function void find_phi(vector<int>&phi) { for (int i = 1; i < phi.size(); i++) phi[i] = i; for (int i = 2; i < phi.size(); i++) { if (phi[i] == i) { for (int j = i; j < phi.size(); j += i) { phi[j] = phi[j] - (phi[j] / i); } } } // for(int i=3; i<phi.size(); i++) // { // phi[i]+=phi[i-1]; // } } int32_t main() { c_p_c(); // int case_no = 1; // w(t) // { // } int n; cin >> n; int arr[n]; unordered_map<int, queue<int> >umap; for (int i = 0; i < n; i++) { int no; cin >> no; umap[no].push(i); arr[i] = no; } int ans = 0; for (int i = 0; i < n; i++) { int val = arr[i]; int size = umap[val].size(); size -= 1; int remArr = (n - i - 1); ans += (remArr - size); umap[val].pop(); } cout << ans; #ifndef ONLINE_JUDGE cerr << "Time : " << 1000 * ((double)clock()) / (double)CLOCKS_PER_SEC << "ms\n"; #endif return 0; }
#pragma GCC optimize("O3") #include<bits/stdc++.h> using namespace std; using ll=long long; using P=pair<ll,ll>; template<class T> using V=vector<T>; #define fi first #define se second #define all(v) (v).begin(),(v).end() const ll inf=(1e18); //const ll mod=998244353; const ll mod=1000000007; const vector<int> dy={-1,0,1,0},dx={0,-1,0,1}; ll GCD(ll a,ll b) {return b ? GCD(b,a%b):a;} ll LCM(ll c,ll d){return c/GCD(c,d)*d;} struct __INIT{__INIT(){cin.tie(0);ios::sync_with_stdio(false);cout<<fixed<<setprecision(20);}} __init; template<class T> bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<class T> bool chmin(T &a, const T &b) { if (a>b) { a=b; return 1; } return 0; } template<class T>void debag(const vector<T> &a){cerr<<"debag :";for(auto v:a)cerr<<v<<" ";cerr<<"\n";} template<class T>void print(const vector<T> &a){for(auto v:a)cout<<v<<" ";cout<<"\n";} int main(){ int n; cin>>n; string s; string t; cin>>s>>t; int a=0,b=0; for(int i=0;i<n;i++){ if(s[i]=='1')a++; if(t[i]=='1')b++; } if(a<b||a%2!=b%2){ cout<<-1<<"\n"; return 0; } queue<ll> c,d; ll ans=0; for(int i=0;i<n;i++){ if(t[i]=='1'){ d.emplace(i); } if(s[i]=='1'){ if(c.size()&&d.size()){ if(c.front()<d.front()){ ans+=i-c.front(); c.pop(); }else{ ans+=i-d.front(); d.pop(); } }else if(c.size()){ ans+=i-c.front(); c.pop(); }else if(d.size()){ ans+=i-d.front(); d.pop(); }else{ c.emplace(i); } } } if(c.size()||d.size()){ cout<<-1<<"\n"; return 0; } cout<<ans<<"\n"; }
#include <bits/stdc++.h> #define F first #define S second #define rep(i, a, b) for(int i = (a); i < (b); ++i) #define per(i, a, b) for(int i = (b)-1; i >= (a); --i) #define bck(i, a, b) if ((i) >= (a) && (i) < (b)) #define trav(x, a) for (auto &x : (a)) #define sz(a) (int)(a).size() #define all(x) (x).begin(), (x).end() #define mp make_pair #define pb push_back #define eb emplace_back #define dbg(X) std::cerr << "[DBG]("<<__FUNCTION__<<":"<<__LINE__<<") " << #X << ": " << X << std::endl; using namespace std; typedef long long ll; typedef string str; template<typename T> using vec = vector<T>; template<typename T> using pq = priority_queue<T, vector<T>, std::greater<T>>; template<typename T> using mxpq = priority_queue<T>; typedef pair<int,int> pii; typedef vec<int> vi; typedef vec<pii> vii; typedef vec<vi> vvi; typedef pair<ll,ll> pll; typedef vec<ll> vl; typedef vec<pll> vll; typedef vec<vl> vvl; template<class T> bool ckmin(T& a, const T& b) { return b < a ? a = b, 1 : 0; } template<class T> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; } template<typename A, typename B> istream& operator>>(istream& s, pair<A,B>& p) { return s>>p.first>>p.second; } template<typename T> istream& operator>>(istream& s, vec<T>& p) { for (T& t : p) s >> t; return s; } template<typename T> ostream& operator<<(ostream& s, const vec<T>& p) { for (const T& t : p) s << t << " "; return s; } int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); int n; cin >> n; vl a(n); cin >> a; for (int i=0; i<n; i+=2) a[i] *= -1; map<ll,ll> seen; seen[0]=1; ll sum = 0, c = 0; rep(i, 0, n) { sum += a[i]; c += seen[sum]++; } cout << c << endl; }
#ifdef GCC_VERSION #include<bits/stdc++.h> #endif #include <iostream> #include <set> #include <vector> #include <string> #include <cmath> #include <map> #include <tuple> #include <algorithm> #include <functional> #include <deque> #include <queue> #include <cstring> #include <chrono> #include <numeric> #ifdef _DEBUG #define DEBUG_INPUT #endif #ifdef DEBUG_INPUT #include "../__common/Helper.h" #endif using ll = long long int; using ld = long double; static const ll INF = 6'000'000'000'000'000'000; // -INF for min value template<typename T> using Vec = std::vector<T>; template<typename T> using VecVec = std::vector<std::vector<T>>; #define fe(e,cont) for(auto& e : cont) // others loop types by snippets #define all(v) std::begin(v),std::end(v) // only for md-arrays template<class T> void unsafe_clear(T& val) { auto sz = sizeof(val); std::memset(&val, 0, sz); } template<class T1, class T2> bool isMemEqual(const T1& v1, const T2& v2) { static_assert(sizeof(v1) == sizeof(v2)); return std::memcmp(&v1, &v2, sizeof(v1)) == 0; } ll ipow(ll v, ll p) { ll res = 1; while (p--) { res *= v; } return res; } ll div_ceil(ll a, ll b) { ll res = a / b; if (res * b != a) res++; return res; } class Timer { // Sometimes measurement is required... using sc = std::chrono::steady_clock; sc::time_point start; public: Timer() :start(sc::now()) {} ll elapsedMs() { return std::chrono::duration_cast<std::chrono::milliseconds>(sc::now() - start).count(); } }; extern const char* INPUT_DATA; #ifdef DEBUG_INPUT static Helper helper(INPUT_DATA); #endif template<class T> T __get() { #ifdef DEBUG_INPUT return helper.get<T>(); #else T val; std::cin >> val; return val; #endif } ll get() { return __get<ll>(); } std::string gets() { return __get<std::string>(); } std::tuple<ll, ll> get2() { return { get(), get() }; } std::tuple<ll, ll, ll> get3() { return { get(), get(), get() }; } std::tuple<ll, ll, ll, ll> get4() { return { get(), get(), get(), get() }; } std::tuple<ll, ll, ll, ll, ll> get5() { return { get(), get(), get(), get(), get() }; } template<class T> void print(const T& val) { std::cout << val << " "; } template<class T, class ... Types> void print(const T& var, const Types&...var2) { print(var); print(var2...); } void endl() { std::cout << "\n"; } void onetime(); void prepare() { std::ios_base::sync_with_stdio(false); std::cin.tie(nullptr); std::cout.tie(nullptr); onetime(); } void task(); void tcase() { ll t = get(); while (t--) task(); } int main() { Timer timer; prepare(); //tcase(); task(); #ifdef DEBUG_INPUT while (helper.hasInput()) task(); //print("Execution time:", timer.elapsedMs()); #endif return 0; } //------------------------------------------------------------- void onetime() { } const char* INPUT_DATA = R"( 4 9 9 5 5 15 5 5 15 15 15 )"; void task() { auto [n, S, D] = get3(); bool f = false; for (ll i = 0; i < n; i += 1) { ll s = get(); ll d = get(); if (s < S && d > D) { f = true; } } print(f?"Yes":"No"); }
#include<bits/stdc++.h> using namespace std; int const maxn = 1e6+10; long double const eps = 1e-3; #define ll long long int a[1100]; int b[1100]; int main(){ int n; cin>>n; int mini2=1e9; int mini=1e9; for(int i=1;i<=n;i++){ scanf("%d%d",&a[i],&b[i]); mini=min(mini,a[i]+b[i]); } for(int i=1;i<=n;i++){ for(int j=1;j<=n;j++){ if(i==j) continue; mini2=min(mini2,max(a[i],b[j])); } } cout<<min(mini,mini2)<<endl; return 0; }
#include <bits/stdc++.h> using namespace std; int main(){ int N, C=206; scanf("%d", &N); if( N+((N*8)/100) > C) cout<<":("<<'\n'; else if( N+((N*8)/100) == C) cout<<"so-so"<<'\n'; else cout<<"Yay!"<<'\n'; }
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int n; cin>>n; long long int ans=1; for(long long int i=2;i<=n;i++) { ans=(ans*i)/(__gcd(ans,i)); } cout<<ans+1<<endl; }
#include <bits/stdc++.h> #include <chrono> #include <ctime> using namespace std; using chrono::steady_clock; using chrono::milliseconds; #define sp " " #define INF 1e18 #define INT_INF 1e9 typedef long long ll; typedef pair<int,int> P; chrono::steady_clock::time_point now_t; chrono::steady_clock::time_point start_t; random_device x; mt19937 mt(x()); struct coord { int x; int y; }; const int N = 50; vector<vector<int>> t(50,vector<int>(50)); vector<vector<int>> p(50,vector<int>(50)); int dx[] = {1,0,-1,0}; int dy[] = {0,1,0,-1}; char direct[] = {'D','R','U','L'}; struct state { //状態を管理 int l; vector<coord> route; vector<char> direct;//D,R,U,L vector<int> score; vector<int> reach;//0 false 1 true }; int get_rnd(int mod){ return mt()%mod; } bool TIME_CHECK( int Limit ){ now_t = steady_clock::now(); if(chrono::duration_cast<milliseconds>(now_t-start_t) < milliseconds(Limit))return true; return false; } void enter(state &S){ //入力 int sx,sy; cin >> sx >> sy; coord s = {sx,sy}; S.route.push_back(s); for(int i = 0;i < 2500;i++)S.reach.push_back(0); for(int i = 0;i < 50;i++){ for(int j = 0;j < 50;j++){ cin >> t[i][j]; } } for(int i = 0;i < 50;i++){ for(int j = 0;j < 50;j++){ cin >> p[i][j]; } } S.reach[t[S.route[0].x][S.route[0].y]] = 1; S.score.push_back(p[S.route[0].x][S.route[0].y]); S.l = 1; return; } void output(state S){ //出力 int l = S.l; for(int i = 0;i < l-1;++i){ //cout << i << sp << S.route[i+1].x-S.route[0].x << sp << S.route[i+1].y-S.route[0].y << endl; // if(S.route[i+1].x - S.route[i].x == 1)cout << "D"; // if(S.route[i+1].x - S.route[i].x == -1)cout << "U"; // if(S.route[i+1].y - S.route[i].y == 1)cout << "R"; // if(S.route[i+1].y - S.route[i].y == -1)cout << "L"; // //cout << endl; cout << S.direct[i]; } } void dfs(state &S){ state best_s = S; stack<state> st; st.push(S); while(!st.empty() && st.size() < 1000 && TIME_CHECK(1800)){ state s = st.top(); st.pop(); int cx,cy,l; l = s.l; cx = s.route[l-1].x; cy = s.route[l-1].y; for(int i = 0;i < 4;i++){ state T = s; if(cx+dx[i] < 0 || cx+dx[i] >= 50 || cy+dy[i] < 0 || cy+dy[i] >= 50)continue; else if(T.reach[t[cx+dx[i]][cy+dy[i]]] == 0){ coord c = {cx+dx[i],cy+dy[i]}; T.route.push_back(c); T.score.push_back(T.score[l-1] + p[c.x][c.y]); if(T.score[l] > best_s.score[best_s.l-1])best_s = T; if(st.size() > 50){ if(T.score[l] < best_s.score[min(l,best_s.l - 1)]*9/10)continue; } T.reach[t[c.x][c.y]] = 1; T.direct.push_back(direct[i]); T.l += 1; st.push(T); } } } S = best_s; } //void mountain( state &S){ //山登り // int l = S.l; // int n = get_rnd(l); //} // void AS ( state &S){ // //焼きなまし // } /* 近傍の取り方でスコア悪化の確立が高すぎるもの、 変化がおおきすぎるものを選ぶとスコア改善しないので、 適切な近傍の取り方を考える 思いつかないなら山登りでよい 極力連続でなだらかな関数にする 近傍の取り方は2種類用意したほうがいい(できれば) 焼きなましの温度は対数的に減らす->確率は線形になる 線形的に減らす->確率は指数的になる rand()は遅いので使わない */ int main(){ start_t = steady_clock::now(); state S; enter(S); // while(true){ // int res = greed(S); // if(res == 0)continue; // else break; // } dfs(S); output(S); }
#include <cstdio> #include <cstring> #include <algorithm> #include <vector> #include <iostream> #include <cassert> #include <cmath> #include <string> #include <queue> #include <set> #include <map> #include <cstdlib> using namespace std; #define mp make_pair #define pb push_back #define fi first #define fs first #define se second #define li long long #define lint long long #define pii pair<int, int> #define vi vector<int> #define forn(i, n) for (int i = 0; i < (int)n; i++) #define fore(i, b, e) for (int i = (int)b; i <= (int)e; i++) using Vertex = pii; struct Move { int fi, se, dir; }; using Moves = vector<Move>; const int QUERIES = 1000; const int STARTW = 5000; const int N = 30; const int INF = 2e9; const int dx[4] = {-1, +1, 0, 0}; const int dy[4] = {0, 0, -1, +1}; const int opp[4] = {1, 0, 3, 2}; const char symbol[4] = {'U', 'D', 'L', 'R'}; int edge[N][N][4]; bool valid(Vertex v) { return v.fi >= 0 && v.fi < N && v.se >= 0 && v.se < N; } Vertex apply(Vertex v, int move) { return {v.fi + dx[move], v.se + dy[move]}; } pair<Moves, int> find_path(Vertex s, Vertex f) { vector<vi> dist(N, vi(N, INF)); vector<vi> last_move(N, vi(N)); set<pair<int, Vertex>> order; order.insert({0, s}); dist[s.fi][s.se] = 0; while (!order.empty()) { auto cur = *order.begin(); order.erase(order.begin()); Vertex v = cur.se; // cerr << v.fi << " " << v.se << endl; if (v == f) { break; } if (dist[v.fi][v.se] != cur.fi) { continue; } forn(move, 4) { Vertex u = apply(v, move); if (valid(u)) { int new_dist = cur.fi + edge[v.fi][v.se][move]; if (new_dist < dist[u.fi][u.se]) { dist[u.fi][u.se] = new_dist; last_move[u.fi][u.se] = move; order.insert({new_dist, u}); } } } } vector<Move> moves; Vertex cur = f; while (cur != s) { Vertex prev = apply(cur, opp[last_move[cur.fi][cur.se]]); moves.pb({prev.fi, prev.se, last_move[cur.fi][cur.se]}); cur = prev; } reverse(moves.begin(), moves.end()); return {moves, dist[f.fi][f.se]}; } string moves_to_string(const Moves& moves) { vector<char> s; for (Move move : moves) { s.pb(symbol[move.dir]); } return string(s.begin(), s.end()); } void upd(Move move, int prediction) { // cerr << move.fi << " " << move.se << " " << move.dir << " " << prediction << endl; int new_val = (edge[move.fi][move.se][move.dir] == STARTW ? prediction : (edge[move.fi][move.se][move.dir] + prediction) / 2); edge[move.fi][move.se][move.dir] = new_val; } Move opp_move(Move move) { Vertex dest = apply({move.fi, move.se}, move.dir); return {dest.fi, dest.se, opp[move.dir]}; } int main() { int avg = STARTW; forn(i, N) forn(j, N) forn(dir, 4) { edge[i][j][dir] = avg; } forn(q, QUERIES) { Vertex s, f; cin >> s.fi >> s.se >> f.fi >> f.se; auto result = find_path(s, f); // cerr << result.se << endl; Moves& moves = result.fi; string path = moves_to_string(moves); cout << path << endl; fflush(stdout); int correct_length; cin >> correct_length; for (Move move: moves) { double ratio = (double)edge[move.fi][move.se][move.dir] / result.se; //double ratio = 1. / moves.size(); double prediction = ratio * correct_length; upd(move, prediction); upd(opp_move(move), prediction); } // recalc_avg(); } }
#include <bits/stdc++.h> #define rep(i, a, b) for (int i = a; i < b; i++) #define rrep(i, a, b) for (int i = a; i >= b; i--) #define fore(i, a) for (auto &i : a) #define all(x) (x).begin(), (x).end() //#pragma GCC optimize ("-O3") using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); } typedef long long ll; const int inf = INT_MAX / 2; const ll infl = 1LL << 60; template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <class T> bool chmin(T &a, const T &b) { if (b < a) { a = b; return 1; } return 0; } //--------------------------------------------------------------------------------------------------- /*---------------------------------------------------------------------------------------------------             ∧_∧       ∧_∧  (´<_` )  Welcome to My Coding Space!      ( ´_ゝ`) /  ⌒i @hamayanhamayan0     /   \    | |     /   / ̄ ̄ ̄ ̄/  |   __(__ニつ/  _/ .| .|____      \/____/ (u ⊃ ---------------------------------------------------------------------------------------------------*/ int N, M; //--------------------------------------------------------------------------------------------------- void _main() { cin >> N >> M; map<int, vector<int>> pawns; rep(i, 0, M) { int X, Y; cin >> X >> Y; pawns[X].push_back(Y); } set<int> ans; ans.insert(N); fore(p, pawns) { set<int> ng; set<int> ok; fore(y, p.second) { if (ans.count(y - 1)) ok.insert(y); else if (ans.count(y + 1)) ok.insert(y); else ng.insert(y); } fore(i, ok) if (0 <= i && i <= 2 * N) ans.insert(i); fore(i, ng) ans.erase(i); } cout << ans.size() << endl; }
#include <bits/stdc++.h> using namespace std; int main(){ int N, M; while(scanf("%d%d", &N, &M) > 0){ map<int, unordered_set<int>> pawns; for(int i = 0; i < M; i++){ int X, Y; scanf("%d%d", &X, &Y); pawns[X].insert(Y); } unordered_set<int> reachable; reachable.insert(N); for(auto kv : pawns){ unordered_set<int> row_pawns = kv.second; vector<int> to_remove, to_insert; for(int Y : row_pawns){ if(reachable.count(Y)){ to_remove.push_back(Y); } if(reachable.count(Y-1) or reachable.count(Y+1)){ to_insert.push_back(Y); } } for(int Y : to_remove){ reachable.erase(Y); } for(int Y : to_insert){ reachable.insert(Y); } } printf("%d\n", (int)reachable.size()); } }
#include <bits/stdc++.h> #define rep(i,n) for (int i=0; i<n; i++) #define rng(i,l,r) for (int i=l; i<r; i++) #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(), x.rend() #define endl "\n" #define INF 1000000007 // 1e9+7 #define LINF 1152921504606846976 // 1LL<<60 using namespace std; using ll = long long; using P = pair<int,int>; template <class T> using V = vector<T>; template<class T> bool chmin(T& a, T b){ if (a > b){ a = b; return true; } return false; } template<class T> bool chmax(T& a, T b){ if (a < b){ a = b; return true; } return false; } struct in { template <class T> operator T() { T t; std::cin >> t; return t; } }; int dx[8] = {0,1,0,-1,1,1,-1,-1}; int dy[8] = {1,0,-1,0,1,-1,1,-1}; auto solve() { int h = in(), w = in(); V<V<int>> s(h+1, V<int>(w+1)), t(h+1, V<int>(w+1)); int n = in(); int m = in(); rep(i,n) { int a, b; cin >> a >> b; s[a][b]++; } rep(i,m) { int c, d; cin >> c >> d; s[c][d]--; } int state; rng(i,1,h+1) { state = 0; for (auto j=1; j<w+1; j++) { if (s[i][j] == 1) state = 1; if (s[i][j] == -1) state = 0; if (state) t[i][j] = 1; } state = 0; for (auto j=w; j>=1; j--) { if (s[i][j] == 1) state = 1; if (s[i][j] == -1) state = 0; if (state) t[i][j] = 1; } } rng(j,1,w+1) { state = 0; for (auto i=1; i<h+1; i++) { if (s[i][j] == 1) state = 1; if (s[i][j] == -1) state = 0; if (state) t[i][j] = 1; } state = 0; for (auto i=h; i>=1; i--) { if (s[i][j] == 1) state = 1; if (s[i][j] == -1) state = 0; if (state) t[i][j] = 1; } } int ans = 0; rng(i,1,h+1) rng(j,1,w+1) ans += t[i][j]; return ans; } int main() { ios::sync_with_stdio(false); cin.tie(0); cout << solve() << endl; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long ul; typedef unsigned long long ull; typedef vector<int> vi; typedef vector<ll> vll; typedef vector<ull> vull; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef pair<ull, ull> pull; template<typename T> using maxheap = priority_queue<T>; template<typename T> using minheap = priority_queue<T, vector<T>, greater<>>; template<class t, class u> ostream &operator<<(ostream &os, const pair<t, u> &p) { os << p.first << " " << p.second; return os; } template<class t, class u> istream &operator>>(istream &is, pair<t, u> &p) { is >> p.first >> p.second; return is; } template<typename T> istream &operator>>(istream &is, vector<T> &v) { for (auto &i: v) { is >> i; } return is; } template<typename T> ostream &operator<<(ostream &os, const vector<T> &v) { for (auto i: v) { os << i << " "; } os << endl; return os; } string f(string &s) { return "asd" + s; } int main() { ios_base::sync_with_stdio(false), cin.tie(nullptr); // read the test case from test.txt // freopen("test/test1.txt","r", stdin); // freopen("test/ans1.txt", "w", stdout); // std::chrono::steady_clock::time_point begin = std::chrono::steady_clock::now(); // program begin int h, w, n, m; cin >> h >> w >> n >> m; vector<vector<int>> v(h, vi(w, 0)); for (int i = 0; i < n; i++) { int a, b; cin >> a >> b; // bulb v[a - 1][b - 1] = 1; } for (int i = 0; i < m; i++) { int a, b; cin >> a >> b; // block v[a - 1][b - 1] = 2; } int ans = 0; map<pii, bool> c; for (int i = 0; i < h; i++) { int cnt = 0; bool bul = false; for (int j = 0; j < w; j++) { if (v[i][j] == 0) { if (bul) { c[pii{i, j}] = true; ans++; } else { cnt++; } } else if (v[i][j] == 2) { cnt = 0; bul = false; } else if (v[i][j] == 1) { c[pii{i, j}] = true; if (!bul) { for (int t = j - 1; t >= 0; t--) { if (v[i][t] == 0) { c[pii{i, t}] = true; } else { break; } } } bul = true; ans += cnt + 1; cnt = 0; } } } // cout << ans << endl; for (int j = 0; j < w; j++) { int cnt = 0; bool bul = false; for (int i = 0; i < h; i++) { if (v[i][j] == 0) { if (bul && !c[pii{i, j}]) { ans++; } else if (!c[pii{i, j}]) { cnt++; } } else if (v[i][j] == 2) { cnt = 0; bul = false; } else if (v[i][j] == 1) { bul = true; ans += cnt; if (!c[pii{i, j}]) { ans++; } cnt = 0; } } } cout << ans; // program end // std::chrono::steady_clock::time_point end = std::chrono::steady_clock::now(); // std::cout << std::chrono::duration_cast<std::chrono::milliseconds>(end - begin).count() << "[ms]" << std::endl; return 0; }
#include <algorithm> #include <cmath> #include <cstdlib> template <typename T, typename P> T bisect(T ok, T ng, const P& is_ok) { while (std::abs(ok - ng) > 1) { auto mid = ok + (ng - ok) / 2; if (is_ok(mid)) { ok = mid; } else { ng = mid; } } return ok; } #include <iostream> #include <vector> #include <algorithm> using namespace std; const int P = 5; int main() { int N; cin >> N; vector<vector<int>> A(N, vector<int>(P)); for (auto& v : A) { for (auto& x : v) { cin >> x; } } int ok = 0; int ng = 1000 * 1000 * 1000 + 1; auto is_ok = [&](int m) { auto B = A; for (auto& v : B) { for (auto& x : v) { if (x < m) { x = 0; } else { x = 1; } } } sort(B.begin(), B.end()); B.erase(unique(B.begin(), B.end()), B.end()); const int M = B.size(); for (int i = 0; i < M; ++i) { for (int j = 0; j < M; ++j) { for (int k = 0; k < M; ++k) { vector<int> T(P); for (int s = 0; s < P; ++s) { T[s] = max({ B[i][s], B[j][s], B[k][s] }); } if (*min_element(T.begin(), T.end()) == 1) { return true; } } } } return false; }; cout << bisect(ok, ng, is_ok) << endl; }
#include<iostream> #include<algorithm> #include<map> #include<queue> #include<cmath> #include<stack> #include<string> #include<vector> #include<set> #define rep(i,n) for(int i = 0;i < n;i++) using namespace std; std::vector<bool> IsPrime; void sieve(long long int max){ if(max+1 > IsPrime.size()){ // resizeで要素数が減らないように IsPrime.resize(max+1,true); // IsPrimeに必要な要素数を確保 } IsPrime[0] = false; // 0は素数ではない IsPrime[1] = false; // 1は素数ではない for(long long int i=2; i*i<=max; ++i) // 0からsqrt(max)まで調べる if(IsPrime[i]) // iが素数ならば for(size_t j=2; i*j<=max; ++j) // (max以下の)iの倍数は IsPrime[i*j] = false; // 素数ではない } int main(void){ //n以下の素数列挙 long long int n; cin >> n; long long int ans=0; set<long long int> se; // sieve(n); //n = sqrt(n); long long int n_temp=n; for(long long int i=2;i*i<=n;i++){ long long int j=2; long long int kari=i*i; while((kari)<=n){ se.insert(kari); kari*=i; } } //求めるのは表せないものなので、 cout << n-se.size()<< endl; return 0; }
//bismillahir rahmanir rahim //@uthor : mubin_akib #pragma GCC optimize ("O3") #pragma GCC target ("sse4") #include<bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; typedef complex<ld> cd; typedef pair <int, int> pi; typedef pair<ll, ll> pl; typedef pair<ld, ld> pd; typedef vector<int> vi; typedef vector<ld> vd; typedef vector<ll> vl; typedef vector<pi> vpi; typedef vector<pl> vpl; typedef vector<cd> vcd; #define FOR(i, a, b) for (int i = a; i < (b); i++) #define F0R(i, a) for (int i = 0; i < (a); i++) #define FORd(i,a,b) for (int i = (b) - 1; i >= a; i--) #define F0Rd(i,a) for (int i = (a) - 1; i >= 0; i--) #define REP(i, a, b) for(int i = (a); i <= (b); ++i) #define trav(a,x) for(auto& a : x) #define sz(x) (int)(x).size() #define mp make_pair #define pb push_back #define eb emplace_back #define fi first #define se second #define lb lower_bound #define ub upper_bound #define all(x) x.begin(), x.end() #define ins insert template<class T> bool ckmin(T& a, const T& b) { return b < a ? a = b, 1 : 0; } template<class T> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; } mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); const int mod = 1e9 + 7; const char nl = '\n'; const int N = 10005; void solve() { string n; ll k; cin >> n >> k; while(k--){ if(stoll(n) % 200 == 0){ n = to_string(stoll(n) / 200); } else{ n += "200"; } } cout << n << nl; } int main() { #ifndef ONLINE_JUDGE // freopen("input.txt", "r", stdin); // freopen("output.txt", "w", stdout); #endif ios_base::sync_with_stdio(0); cin.tie(0); solve(); // int t; // cin >> t; // while(t--){ // solve(); // } return 0; }
#include <bits//stdc++.h> using namespace std; #define int long long #define rep(i,n,k) for(int i=n;i<k;i++) #define P make_pair #define F first #define S second #define M LLONG_MAX signed main(void){ int n,m,p,q,ans; ans=0; string s; cin>>n>>m; rep(i,0,m){ if(n%200) n=n*1000+200; else n=n/200; } cout<<n<<endl; }
/* @memendra_singh */ #include<bits/stdc++.h> using namespace std; #define m7 1000000007 #define m9 1000000009 #define ll long long #define boost ios_base::sync_with_stdio(false),cin.tie(NULL),cout.tie(NULL) #define F first #define S second #define pb push_back #define f1(i,n) for(int i=0;i<n;i++) #define all(c) c.begin(),c.end() #define ldb long double #define pi acos(-1) int main() { boost; int t = 1; //cin>>t; while(t--) { string s; cin>>s; int ans = 0; for(int i=0;i<=9999;i++) { vector<bool> arr(10,false); int x = i; for(int j=0;j<4;j++) { //int k = x%10; arr[x%10] = true; x = x/10; } bool flag = true; for(int j=0;j<10;j++) { if(s[j] == 'o' && arr[j]==false) flag = false; if(s[j] == 'x' && arr[j] == true) flag = false; } if(flag) ans++; } cout<<ans<<'\n'; } return 0; }
#include<bits/stdc++.h> #define LOCAL #define ft first #define sd second #define endl '\n' #define io ios::sync_with_stdio(false); cin.tie(0); cout.tie(0) #define weishu setprecision #define lson l,m,rt<<1 #define rson m+1,r,rt<<1|1 #define lowbit(x) ((x)&(-x)) #define debug1() cout<<"hello world!"<<endl #define debug2() cout<<"hello"<<endl #define RAND(a,b) (rand() % ((b)-(a)+1))+ (a) #define SRAND srand((unsigned)time(NULL)) using namespace std; typedef long long ll; typedef unsigned long long ull; typedef long double lld; const lld pi = acos(-1.0); const ll maxn=1e5+5; ll mod=123456789; void init(void); ll pow_mod(ll a,ll k); ll ni(int x); void get_prime(); //ll prime[maxn]; //bool v[maxn]; int a[11],c[11]; vector<int> b; void solve(){ string t; cin >> t; int len=t.size(); for(int i=0;i<len;i++){ if(t[i]=='o')b.push_back(i); else if(t[i]=='?')c[i]++; } if(b.size()>=5){ cout<<0<<endl; } else{ int j,num=0,ans=0; for(int i=0;i<=9999;i++){ for(int k=0;k<11;k++)a[k]=0; j=i; num=4; while(j){ a[j%10]++; j/=10; num--; } a[0]+=num; int flag=1; for(int k=0;k<b.size();k++){ if(a[b[k]]!=0)a[b[k]]=0; else{ flag=0; break; } } if(flag==1){ for(int i=0;i<10;i++){ if(a[i]!=0){ if(c[i]!=0)continue; else{ flag=0; break; } } } } if(flag==1)ans++; } cout<<ans<<endl; } } signed main(){ io; //init(); //get_prime(); ll T=1; //cin >> T; while(T--){ solve(); } return 0; } void init (void) { #ifdef LOCAL freopen ("data.txt", "w", stdout); #endif } ll pow_mod(ll a,ll k) { ll ans = 1; a %= mod; while(k) { if(k & 1) ans *= a; a = (a * a) % mod; k >>= 1; ans %= mod; } return ans % mod; } ll ni(int x){ return pow_mod(x,mod-2); } //void get_prime(){ // int count = 1; // for (int i = 2; i<maxn; i++){ // if(!v[i]){ // prime[count++] = i; // } // for (int t = 1; prime[t] * i < maxn &&t<count; t++){ // v[prime[t] * i] = 1; // if(i % prime[t] == 0) // break; // } // } //}
#include <iostream> #include <map> #include <algorithm> #include <string> #include <vector> #include <numeric> #include <cmath> #include <queue> #include <iomanip> #include <functional> #include <stack> #define CHMAX(a,b) a = std::max(a,b) #define CHMIN(a,b) a = std::min(a,b) #define MAXMIN(a,b,c) std::max(a,min(b,c)) #define CHABS(a) a = std::abs(a) #define COUT(a) std::cout << a << std::endl #define CERR(a) std::cerr << a << std::endl #define FOR(n) for(lli i = 0; i < n; i++) using namespace std; using lli = long long int; using pll = pair<lli, lli>; using tlll = tuple<lli, lli, lli>; using vll = vector<lli>; lli mod197 = 1000000007LL; lli INF = 10000000000000; // ax + by = gcd(a,b) 最大公約数 template< typename T > T extgcd(T a, T b, T& x, T& y) { T d = a; if (b != 0) { d = extgcd(b, a % b, y, x); y -= (a / b) * x; } else { x = 1; y = 0; } return d; } int members[3000][5] = {}; int sorted[5][3000] = {}; int main(void) { int N; cin >> N; for (int i = 0; i < N; i++) { for (int j = 0; j < 5; j++) { cin >> members[i][j]; sorted[j][i] = members[i][j]; } } for (int j = 0; j < 5; j++) { sort(sorted[j],sorted[j] + N); } int result = 0; for (int i = 0; i < N; i++) { for (int k = 0; k < N; k++) { int t[5] = {}; for (int m = 0; m < 5; m++) { t[m] = max({ members[i][m],members[k][m]}); } for (int m = 0; m < 5; m++) { int tmp = t[m]; t[m] = sorted[m][N - 1]; result = max(result, *min_element(t, t + 5)); t[m] = tmp; } } } cout << result << endl; return 0; }
#include<bits/stdc++.h> using namespace std; #define rep(i, r, n) for(int i = r; i < (int)(n); i++) // 答えで二分探索 int N, X[3030][5]; int getMask(int i, int lim) { int res = 0; rep(j, 0, 5) if(X[i][j] >= lim) res += 1 << j; return res; } int cnt[1 << 5]; bool check(int lim) { rep(i, 0, 1 << 5) cnt[i] = 0; rep(i, 0, N) cnt[getMask(i, lim)]++; rep(msk1, 0, 1 << 5) rep(msk2, 0, 1 << 5) rep(msk3, 0, 1 << 5) { if((msk1 | msk2 | msk3) == (1 << 5) -1 && cnt[msk1] > 0 && cnt[msk2] > 0 && cnt[msk3] > 0) return true; } return false; } int main() { cin >> N; rep(i, 0, N) rep(j, 0, 5) cin >> X[i][j]; int ok = 0, ng = 1000000001; while(ok + 1 != ng) { int mid = (ok + ng) / 2; if(check(mid)) ok = mid; else ng = mid; } cout << ok << endl; }
// E - Rush Hour 2 #include <bits/stdc++.h> using namespace std; using ll = int64_t; #define vec vector using vl = vec<ll>; #define rep(i,e) for(int i=0;i<(e);++i) using PR = pair<ll,int>; // 本問用に修正 // dijkstra O(|E|log|V|) int V; vec<tuple<int,int,int,int>> E; vec<vec<int>> G; ll INF = 1e18; ll cost(ll c, ll d, ll t){ ll ok = t, ng = d+1; while(ng - ok > 1){ ll m = (ok+ ng) / 2; (m*(m+1) < d? ok:ng) = m; } return ok + c + d / (ok+1); } vl dijkstra(int s){ vl dist(V, INF); dist[s] = 0; priority_queue<PR, vec<PR>, greater<PR>> pq; pq.push({0, s}); while(pq.size()){ auto[t, v] = pq.top(); pq.pop(); if(dist[v] < t) continue; for(int&i:G[v]){ auto&[a, b, c, d] = E[i]; int u = a; // b->a if(u == v) u = b; // a->b ll nt = cost(c, d, dist[v]); if(dist[u] <= nt) continue; dist[u] = nt; pq.push({nt, u}); } } return dist; } int main(){ int m; cin>>V>>m; G.resize(V); rep(i, m){ int a, b, c, d; cin>>a>>b>>c>>d; --a, --b; E.emplace_back(a, b, c, d); G[a].push_back(i), G[b].push_back(i); } ll ans = dijkstra(0)[V-1]; if(ans == INF) ans = -1; cout<< ans <<endl; }
#include<bits/stdc++.h> #define int long long #define nb 200010 using namespace std; bool vis[nb]; int n, m, cnt, head[nb], dis[nb]; struct edge{int to, next, c, d;}e[nb]; void add_edge(int u, int v, int c, int d){ e[++cnt].to = v; e[cnt].c = c; e[cnt].d = d; e[cnt].next = head[u]; head[u] = cnt; } struct node{ int id, d; bool operator < (const node &tmp) const{ return tmp.d < d; } }; priority_queue<node> q; void dijkstra(){ memset(dis, 0x3f, sizeof(dis)); dis[1] = 0; q.push((node){1, 0}); while(!q.empty()){ node tmp = q.top(); q.pop(); int u = tmp.id; if(vis[u]) continue; vis[u] = 1; for(int i = head[u]; i; i = e[i].next){ int c = e[i].c, d = e[i].d, v = e[i].to, s = sqrt(d), t; if(dis[u] < s) t = s + d / (s + 1) + c; else t = dis[u] + d / (dis[u] + 1) + c; if(dis[v] > t){ dis[v] = t; if(!vis[v]){ q.push((node){v, dis[v]}); } } } } } signed main(){ cin >> n >> m; for(int i = 1; i <= m; i++){ int u, v, c, d; cin >> u >> v >> c >> d; add_edge(u, v, c, d); add_edge(v, u, c, d); } dijkstra(); cout << (dis[n] > 1e16 ? -1 : dis[n]); return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int,int> P; int main(){ int N,K; cin >> N >> K; vector<vector<int>> T(N,vector<int>(N)); for(int i=0; i<N; i++){ for(int j=0; j<N; j++){ cin >> T[i][j]; } } vector<int> town = {1,2,3,4,5,6,7}; int ans = 0; do{ int cnt = 0; cnt = T[0][town[0]]; for(int i=1; i<N-1; i++){ cnt += T[town[i-1]][town[i]]; } cnt += T[town[N-2]][0]; if(cnt == K) ans++; }while(next_permutation(town.begin(),town.begin()+N-1)); cout << ans << endl; return 0; }
#include<iostream> #include<vector> #include<algorithm> #include<string> #include<queue> #include<cmath> #include<cstdio> #include<tuple> #include<bitset> #include<map> using namespace std; #define rep(i,n) for(int i=0;i<n;++i) #define rep1(i,n) for(int i=1;i<=n;++i) #define ALL(x) x.begin(),x.end() #define ll long long using lint=long long; #define debug(output) cout<<#output<<"= "<<output<<endl typedef pair<int,int> P; const int inf=1000000007; const int MOD=1000000007; signed main(){ lint n,x;cin>>n>>x; vector<lint> a(n); rep(i,n)cin>>a[i]; a.push_back(((x/a[n-1])+2)*a[n-1]); vector<lint> dp(2,0); dp[0]=1; rep(i,n){ vector<lint> nxt(2,0); lint d=x%a[i+1]; d/=a[i]; if(d==0){ nxt[1]=dp[1]; } else{ nxt[1]=dp[1]+dp[0]; } if(d==a[i+1]/a[i]-1){ nxt[0]=dp[0]; } else{ nxt[0]=dp[1]+dp[0]; } swap(dp,nxt); } cout<<dp[0]<<"\n"; return 0; }
#include <iostream> using namespace std; int main() { int N; cin >> N; cout << (N + 99) /100 << endl; }
#include<bits/stdc++.h> using namespace std; long long k,n; vector<long long>v; int main(){ cin>>n; for(k=1;k<=sqrt(n);k++){ if(n%k==0){ v.push_back(k); if(k*k!=n) v.push_back(n/k); } } sort(v.begin(),v.end()); for(k=0;k<v.size();k++) cout<<v[k]<<endl; }
#include <bits/stdc++.h> using namespace std; int main(){ int N, M, Q; cin >> N >> M >> Q; vector<pair<int, int>> vp; for(int i = 0; i < N; i++){ int w, v; cin >> w >> v; vp.emplace_back(w, v); } vector<int> X; for(int i = 0; i < M; i++){ int x; cin >> x; X.push_back(x); } sort(vp.begin(), vp.end(), [](pair<int,int> a, pair<int,int> b){ return a.second > b.second; }); for(int i = 0; i < Q; i++){ int left, right; cin >> left >> right; left--; right--; vector<int> C; for(int i = 0; i < M; i++){ if(i >= left && i <= right)continue; C.push_back(X.at(i)); } sort(C.begin(), C.end()); int len = C.size(); vector<bool> vb(len, true); int64_t ans = 0; for(int i = 0; i < N; i++){ for(int p = 0; p < len; p++){ if(vp.at(i).first <= C.at(p) && vb.at(p)){ ans += vp.at(i).second; vb.at(p) = false; break; } } } cout << ans << endl; } }
#include <bits/stdc++.h> //#include <atcoder/all> using namespace std; #define rep(i,x,y) for(ll i=(x);i<(y);i++) #define rrep(i,x,y) for(ll i=(ll)(y)-1;i>=(x);i--) #define all(x) (x).begin(),(x).end() #define itrout(x) for(int i=0;i<x.size();i++) {cout << x[i] << (i==x.size()-1 ? "\n" : " ");} #ifdef LOCAL #define debug(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << endl #define debugbit(x, n) cerr << #x << " = " << bitset<n>(x) << " (L" << __LINE__ << ")" << " " << __FILE__ << endl #define itrdebug(x) cerr << #x << " "; for (auto & el : (x)) {cerr << (el) << " ";} cerr << endl #define dassert(...) assert(__VA_ARGS__) #else #define debug(x) #define debugbit(x, n) #define itrdebug(x) #define dassert(...) #endif //#define int long long //using mint = atcoder::modint; typedef long long ll; const ll MOD = 1e9 + 7; const long double EPS = 1e-8; signed main(){ int N, M, Q; cin >> N >> M >> Q; vector<int> W(N), V(N), X(M); rep(i,0,N) cin >> W[i] >> V[i]; rep(i,0,M) cin >> X[i]; vector<pair<int,int>> v(N); rep(i,0,N) v[i] = {V[i], W[i]}; sort(all(v), greater<>()); rep(i,0,Q) { ll answer = 0; int L, R; cin >> L >> R; multiset<int> s; rep(j,0,M) { if (L <= j+1 && j+1 <= R) continue; s.insert(X[j]); } rep(j,0,N) { auto itr = s.lower_bound(v[j].second); if (itr != s.end()) { answer += v[j].first; s.erase(itr); } } cout << answer << endl; } return 0; }
#include <cstdio> const int mod=998244353; const int maxn=2e5+10; struct E{ int to; int next; }ed[maxn*2]; int head[maxn]; int tot; void J(int a,int b){ ed[++tot].to=b; ed[tot].next=head[a]; head[a]=tot; } int vis[maxn]; void Dfs(int x){ vis[x]=1; for(int i=head[x];i;i=ed[i].next){ if(vis[ed[i].to]) continue; Dfs(ed[i].to); } } int main(){ int n; scanf("%d",&n); for(int i=1;i<=n;i++){ int x; scanf("%d",&x); J(x,i); J(i,x); } int now=0; for(int i=1;i<=n;i++) if(!vis[i]){ now++; Dfs(i); } int ans=1; for(int i=1;i<=now;i++) ans=ans*2%mod; printf("%d",(ans-1+mod)%mod); return 0; }
#include <iostream> #include <cstdio> #include <cmath> #include <ctime> #include <cstdlib> #include <cassert> #include <vector> #include <list> #include <stack> #include <queue> #include <deque> #include <map> #include <set> #include <bitset> #include <string> #include <algorithm> #include <utility> #include <complex> #define rep(x, s, t) for(llint (x) = (s); (x) <= (t); (x)++) #define reps(x, s) for(llint (x) = 0; (x) < (llint)(s).size(); (x)++) #define chmin(x, y) (x) = min((x), (y)) #define chmax(x, y) (x) = max((x), (y)) #define sz(x) ((ll)(x).size()) #define ceil(x, y) (((x)+(y)-1) / (y)) #define all(x) (x).begin(),(x).end() #define outl(...) dump_func(__VA_ARGS__) #define inf 1e18 using namespace std; typedef long long llint; typedef long long ll; typedef pair<ll, ll> P; bool exceed(ll x, ll y, ll m){return x >= m / y + 1;} struct edge{ ll to, cost; edge(){} edge(ll a, ll b){ to = a, cost = b; } }; template<typename T> ostream& operator << (ostream& os, vector<T>& vec) { for(int i = 0; i<vec.size(); i++) { os << vec[i] << (i + 1 == vec.size() ? "" : " "); } return os; } template<typename T, typename U> ostream& operator << (ostream& os, pair<T, U>& pair_var) { os << "(" << pair_var.first << ", " << pair_var.second << ")"; return os; } template<typename T, typename U> ostream& operator << (ostream& os, map<T, U>& map_var) { for(typename map<T, U>::iterator itr = map_var.begin(); itr != map_var.end(); itr++) { os << "(" << itr->first << ", " << itr->second << ")"; itr++; if(itr != map_var.end()) os << ","; itr--; } return os; } template<typename T> ostream& operator << (ostream& os, set<T>& set_var) { for(typename set<T>::iterator itr = set_var.begin(); itr != set_var.end(); itr++) { os << *itr; ++itr; if(itr != set_var.end()) os << " "; itr--; } return os; } void dump_func() {cout << endl;} template <class Head, class... Tail> void dump_func(Head &&head, Tail &&... tail) { cout << head; if(sizeof...(Tail) > 0) cout << " "; dump_func(std::move(tail)...); } #define mod 998244353 struct UnionFind{ int size; vector<int> parent; vector<int> rank; vector<llint> v, e; UnionFind(){} UnionFind(int size){ this->size = size; parent.resize(size+1); rank.resize(size+1); v.resize(size+1); e.resize(size+1); init(); } void init(){ for(int i = 0; i <= size; i++){ parent[i] = i, rank[i] = 0; v[i] = 1, e[i] = 0; } } int root(int i){ if(parent[i] == i) return i; return parent[i] = root(parent[i]); } bool same(int i, int j){ return root(i) == root(j); } void merge(int i, int j){ // j will become new root parent[i] = j; v[j] += v[i]; e[j] += e[i] + 1; } void unite(int i, int j){ int root_i = root(i), root_j = root(j); if(root_i == root_j){ e[root_i]++; return; } if(rank[root_i] < rank[root_j]) merge(root_i, root_j); else merge(root_j, root_i); if(rank[root_i] == rank[root_j]) rank[root_i]++; } }; ll n; ll a[200005]; UnionFind uf(200005); int main(void) { ios::sync_with_stdio(0); cin.tie(0); cin >> n; rep(i, 1, n) cin >> a[i], uf.unite(i, a[i]); set<ll> S; rep(i, 1, n) S.insert(uf.root(i)); ll ans = 1; rep(i, 1, sz(S)) ans *= 2, ans %= mod; ans += mod - 1, ans %= mod; outl(ans); return 0; }
#include<bits/stdc++.h> #include<string> #include <algorithm> using namespace std; const int N=2e5+10; typedef long long ll; int n,k,q,m,h,w; const ll mod=998244353; int a[N]; int b[N]; map<int,map<int,int> > mpp; map<int,int> mp; set<int> se; string s; stack <int> st; int X[]={0,0,1,-1}; int Y[]={-1,1,0,0}; void solve(){ cin>>n; for(int i=1;i<=n;i++) cin>>a[i]; for(int i=1;i<=n;i++) cin>>b[i]; ll ans=0; for(int i=1;i<=n;i++){ ans+=a[i]*b[i]; } if(ans==0) cout<<"Yes"; else cout<<"No"; } int main() { solve(); }
#include<bits/stdc++.h> #include<iostream> #include<set> #include<map> #include<iterator> #define ll long long #define lli long long int #define pb push_back #define mp make_pair #define RIP(i,n) for(int i=0; i<n; i++) #define RIP1(i,n) for(int i=n-1; i>=0; i--) #define FOR(i,a,b) for(int i=a;i<(b); i++) #define FOR1(i,a,b) for(int i=a; i>=(b); i--) #define sc(a) scanf("%lld",&a) #define SC(a) scanf("%d",&a) #define cin(a) cin >> a #define cout(a) cout << a #define pi acos(-1) #define pr(a) printf("%lld\n",a) #define PR(a) printf("%lld ",a) #define s(a,b) sort(a,b) #define sz(x) (int)(x).size() #define nl '\n' #define Max 110 #define mod 1e9 + 7 using namespace std; void c_p_c() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); /*#ifdef ONLINE_JUDGE freopen("input.txt","r",stdin); freopen("output.txt","w",stdout); #endif*/ } int main() { ll n; sc(n); ll a[n],b[n]; RIP(i,n) { sc(a[i]); } RIP(i,n) { sc(b[i]); } ll ans=0; RIP(i,n) { ans+=(a[i]*b[i]); } if(ans) { cout << "No" << nl; } else { cout << "Yes" << nl; } }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); i++) using namespace std; using ll = long long; using pii = pair<int, int>; int main() { int n; cin >> n; vector<int> p(n); rep(i, n) { cin >> p[i]; p[i]--; } vector<int> s(n - 1), m(n - 1); rep(i, n) { if (i == p[i]) { cout << -1 << endl; return 0; } if (i < p[i]) { for (int j = i; j < p[i]; j++) { s[j]++; if (s[j] > 2) { cout << -1 << endl; return 0; } m[j] = max(m[j], j - i + 1); } } else { for (int j = i; j > p[i]; j--) { s[j - 1]++; if (s[j - 1] > 2) { cout << -1 << endl; return 0; } m[j - 1] = max(m[j - 1], i - j + 1); } } } rep(i, n - 1) { if (s[i] != 2) { cout << -1 << endl; return 0; } } vector<pii> ans(n - 1); rep(i, n - 1) ans[i] = pii{m[i], i}; sort(ans.begin(), ans.end()); rep(i, n - 1) cout << ans[i].second + 1 << endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef unsigned int ui; typedef long long ll; typedef unsigned long long ull; #define SZ(a) int((a).size()) #define _REP(_1,_2,_3,_4,name,...) name #define _REP4(i,b,e,s) for(decltype(e) _b=(b),_e=(e),i=_b+(0<(s)?0:(s));(0<(s)?i<_e:_e<=i);i+=(s)) #define _REP3(i,b,e) for(decltype(e) _b=(b),_e=(e),i=(_b<_e?_b:_b-1);(_b<_e?i<_e:_e<=i);(_b<_e?i++:i--)) #define _REP2(i,n) for(decltype(n) i=0,_n=(n);i<_n;i++) #define _REP1(n) for(decltype(n) _i=0,_n=(n);_i<_n;_i++) #define REP(...) _REP(__VA_ARGS__,_REP4,_REP3,_REP2,_REP1)(__VA_ARGS__) #define FOR(it,c) for(auto&& it=begin(c);it!=end(c);it++) #define ROF(it,c) for(auto&& it=rbegin(c);it!=rend(c);it++) #define EB emplace_back #define PB push_back #define MP make_pair #define INT(n) int n;assert(0<scanf("%d",&n)) #define STR(s) string s;cin>>s #define VS(v,n) vector<string> v(n);REP(i,n){cin>>v[i];} int main(){ INT(h); INT(w); VS(a, h); vector<int> dr = {1, -1, 0, 0}, dc = {0, 0, 1, -1}, checked(26, 0); int rg, cg; vector<vector<int>> v(h); vector<vector<pair<int, int>>> wp(26); queue<pair<int, int>> q; REP(i, h){ REP(j, w){ v[i].PB(-1); if (a[i][j] == 'S'){ v[i][j] = 0; q.push(MP(i, j)); } else if (a[i][j] == 'G'){ rg = i; cg = j; } else if ('a' <= a[i][j] && a[i][j] <= 'z'){ wp[a[i][j] - 'a'].EB(i, j); } } } while (!q.empty()){ auto p = q.front(); q.pop(); int rp = p.first, cp = p.second, r, c; REP(i, 4){ r = rp + dr[i]; c = cp + dc[i]; if (r < 0 || h <= r || c < 0 || w <= c){continue;} if (a[r][c] == '#'){continue;} if (0 <= v[r][c]){continue;} v[r][c] = v[rp][cp] + 1; q.push(MP(r, c)); } if ('a' <= a[rp][cp] && a[rp][cp] <= 'z' and !checked[a[rp][cp] - 'a']) { for(auto pw: wp[a[rp][cp] - 'a']){ r = pw.first; c = pw.second; if (rp == r && cp == c){continue;} if (0 <= v[r][c]){continue;} v[r][c] = v[rp][cp] + 1; q.push(MP(r, c)); checked[a[rp][cp] - 'a'] = 1; } } } printf("%d\n", v[rg][cg]); return 0; }
// clang-format off #include<bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; #ifndef godfather #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #pragma GCC target ("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native") #endif #define int long long typedef long long ll; typedef long double ld; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef gp_hash_table<int, int> umap; typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> oset; typedef pair<pii, int> piii; typedef vector<int> vi; typedef vector<vector<int>> vvi; typedef vector<pii> vii; #define INF 10000000000000000 #define inf 1000000000 // #define MOD 1000000007 #define MOD 998244353 #define PI 3.1415926535897932385 #define pb push_back #define bitc __builtin_popcountll #define mp make_pair #define all(ar) ar.begin(), ar.end() #define fr(i, a, b) for (int i = (a), _b = (b); i <= _b; i++) #define rep(i, n) for (int i = 0, _n = (n); i < _n; i++) #define repr(i, n) for (int i = n - 1; i >= 0; i--) #define frr(i, a, b) for (int i = (a), _b = (b); i >= _b; i--) #define foreach(it, ar) for (auto it = ar.begin(); it != ar.end(); it++) #define fil(ar, val) memset(ar, val, sizeof(ar)) // 0x3f for inf, 0x80 for -INF can also use with pairs #ifdef godfather template<typename T> void __p(T a) { cout << a << " "; } template<typename T> void __p(std::vector<T> a) { cout << "{ "; for (auto p : a) __p(p); cout << "}"; } template<typename T, typename F> void __p(pair<T, F> a) { cout << "{ "; __p(a.first); __p(a.second); cout << "}"; } template<typename T, typename ...Arg> void __p(T a1, Arg ...a) { __p(a1); __p(a...); } template<typename Arg1> void __f(const char *name, Arg1 &&arg1) { cout<<name<<" : ";__p(arg1);cout<<endl; } template<typename Arg1, typename ... Args> void __f(const char *names, Arg1 &&arg1, Args &&... args) { int bracket=0,i=0; for(; ;i++) if(names[i]==','&&bracket==0) break; else if(names[i]=='(') bracket++; else if(names[i]==')') bracket--; const char *comma=names+i; cout.write(names,comma-names)<<" : "; __p(arg1); cout<<"| "; __f(comma+1,args...); } #define trace(...) cout<<"Line:"<<__LINE__<<" "; __f(#__VA_ARGS__, __VA_ARGS__) int begtime = clock(); #define end_routine() cout << "\n\nTime elapsed: " << (clock() - begtime)*1000/CLOCKS_PER_SEC << " ms\n\n"; #else #define trace(...) #define end_routine() #endif mt19937 rng32(chrono::steady_clock::now().time_since_epoch().count()); #define rand(l, r) uniform_int_distribution<int>(l, r)(rng32) inline bool equals(double a, double b) { return fabs(a - b) < 1e-9; } ll modpow(ll b, ll e, ll mod=MOD) { ll ans=1; for(;e;b=b*b%mod,e/=2) if(e&1) ans=ans*b%mod; return ans; } ld modp(ld b, ll e) { ld ans=1; for(;e;b=b*b,e/=2) if(e&1) ans=ans*b; return ans; } void solve() { // START ll n; cin>>n; vi vec(n); rep(i,n)cin>>vec[i]; sort(all(vec)); ll ans=0; frr(i,n-1,0){ ll z=vec[i]; ll lg=n-i-1; ans+=i*z-lg*z; } cout<<ans<<"\n"; // END } signed main() { ios_base::sync_with_stdio(false); cin.tie(0), cout.tie(0), cout.precision(15); cout<<fixed; #ifdef godfather // cin.exceptions(cin.failbit); freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif int t=1; // cin>>t; fr(i,1,t) { solve(); } end_routine(); }
#include <bits/stdc++.h> using namespace std; typedef long long LL; const int N=2e5+6; //const int mod=1e9+7; string x; LL m; bool check(LL mod){ LL res=0; LL base=1; for(int i=0;i<(int)x.size();i++){ LL temp=x[i]-'0'; if(temp>m/base) return 0; if(res>m-temp*base) return 0; res+=temp*base; if(i!=x.size()-1 && base>m/mod) return 0; base*=mod; } return 1; } int main(){ cin>>x; cin>>m; if(x.size()==1){ if(x[0]-'0'<=m) cout<<1<<endl; else cout<<0<<endl; return 0; } reverse(x.begin(),x.end()); int d=0; for(int i=0;i<(int)x.size();i++){ int temp=x[i]-'0'; d=max(d,temp); } LL l=d+1,r=m+1; LL ans=d; while(l<=r){ LL mid=(l+r)/2; //cout<<l<<" "<<r<<" check "<<mid<<endl; if(check(mid)){ ans=mid; l=mid+1; } else r=mid-1; } //cout<<"max: "<<ans<<endl; cout<<ans-d<<endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; #define faster ios_base::sync_with_stdio(false), cin.tie(0) #define read freopen("in.txt", "r", stdin) #define write freopen("out.txt", "w", stdout) #define var(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] " #define mem(x, n) memset(x, n, sizeof(x)) #define all(x) x.begin(), x.end() #define endl "\n" int dp[101][int(1e5 + 5)]; int n, mx, a[101]; int solve(int pos, int sum) { if (pos == n) { return max(sum, mx - sum); } if (dp[pos][sum] != -1) return dp[pos][sum]; int ans = INT_MAX; ans = min(solve(pos + 1, sum), solve(pos + 1, sum + a[pos])); return dp[pos][sum] = ans; } int main() { faster; mem(dp, -1); cin >> n; for (int i = 0; i < n; i++) cin >> a[i], mx += a[i]; cout << solve(0, 0) << endl; return 0; }
#include<bits/stdc++.h> using namespace std; int dp[2][200000],ara[1000]; int main() { int n,a,sum=0,s,i; scanf("%d",&n); for(i=0;i<n;i++) { scanf("%d",&a); sum=sum+a; ara[i]=a; } int fr,sc,tr,ans=90000000; int idx,cap; for(idx=n;idx>=0;idx--) { fr=idx&1; sc=(idx+1)&1; for(cap=0;cap<=sum;cap++) { if(idx==n) { if(cap==0)dp[fr][cap]=1; else{ dp[fr][cap]=0; } } else { int x=0,y=0,z; x=dp[sc][cap]; if(cap-ara[idx]>=0) { y=dp[sc][cap-ara[idx]]; } z=x|y; dp[fr][cap]=z; } if(idx==0) { if(dp[fr][cap]==1) { s=max(cap,sum-cap); //cout<<" "<<cap<<" "<<sum-cap<<endl; ans=min(ans,s); } } } } printf("%d\n",ans); return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long #define rep(i,n) for(int (i)=0;(i)<(n);(i)++) #define P pair<ll,ll> using Graph = vector<vector<int>>; int main() { ll N,M,Q; cin >> N; ll x[N+1],y[N+1]; rep(i,N){ cin >> x[i+1] >> y[i+1]; } vector<P> op; ll a,b,c; cin >> M; rep(i,M){ cin >> a; if(a==1||a==2) op.push_back(make_pair(a,0)); else{ cin >> b; op.push_back(make_pair(a,b)); } } //Query(input / tuple化/順次処理) cin >> Q; vector<tuple<int,int,int>> q; for(int i=0;i<Q;i++){ cin >> a >> b; q.push_back(make_tuple(a,b,i)); } //必要ならsort sort(q.begin(),q.end()); vector<P> ans(Q); ll cnt = 0; ll xm[3],ym[3]; xm[0] = 0; ym[0] = 0; xm[1] = 1; ym[1] = 0; xm[2] = 0; ym[2] = 1; for(ll i=0;i<Q;i++){ tuple<int,int,int> qn = q.at(i); a = get<0>(qn); b = get<1>(qn); c = get<2>(qn); //ここに処理を追記 while(cnt<a){ auto p = op[cnt]; ll s = p.first; ll t = p.second; cnt++; //cout << cnt << endl; //rotate, flip if(s==1){ rep(j,3){ xm[j] *= -1; swap(xm[j],ym[j]); } } if(s==2){ rep(j,3){ ym[j] *= -1; swap(xm[j],ym[j]); } } if(s==3){ rep(j,3){ xm[j] = 2*t-xm[j]; } } if(s==4){ rep(j,3){ ym[j] = 2*t-ym[j]; } } } //座標復元 ll xa,ya; ll dx1 = xm[1]-xm[0]; ll dy1 = ym[1]-ym[0]; ll dx2 = xm[2]-xm[0]; ll dy2 = ym[2]-ym[0]; xa = xm[0] + dx1*x[b] + dx2*y[b]; ya = ym[0] + dy1*x[b] + dy2*y[b]; ans[c] = make_pair(xa,ya); } for(ll i=0;i<Q;i++){ cout << ans[i].first <<" "<< ans[i].second << endl; } }
#include<bits/stdc++.h> //#include <atcoder/all> #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #define rep(i,n)for(int i=0;(i)<(int)(n);i++) #define REP(i,a,b)for(int i=(int)(a);(i)<=(int)(b);i++) #define ALL(a) (a).begin(),(a).end() #define pb push_back #define fi first #define se second #define sz(x) ((int)x.size()) using namespace std; //using namespace atcoder; using ld = long double; using ll = long long; using P = pair<ll, ll>; template<typename T> bool chmin(T& a, const T& b) { if(a >= b){ a = b; return 1;} return 0; } template<typename T> bool chmax(T& a, const T& b) { if(a <= b){ a = b; return 1;} return 0; } const ll MOD = 998244353; const ll INF = 1e9; //BIT template <typename T> struct BIT{ int n; //配列の要素数 vector<T> bit; //データの格納先 BIT(int n_) : n(n_ + 1), bit(n, 0){} void add(int i, T x){ for(int idx = i; idx < n; idx += (idx & -idx)){ bit[idx] += x; } } T sum(int i){ T s(0); for(int idx = i; idx > 0; idx -= (idx & -idx)){ s += bit[idx]; } return s; } //sum(a_i) >= w となるような最小のxを求める int lower_bound(T w) { // a_1 + a_2 + ... + a_x >= w となるような最小の x を求める(ただし a_i >= 0) if (w <= 0) return 0; else { int x = 0, r = 1; while (r < n) r = r << 1; for (int len = r; len > 0; len = len >> 1) { // 長さlenは1段下るごとに半分に if (x + len < n && bit[x + len] < w) { // 採用するとき w -= bit[x + len]; x += len; } } return x + 1; } } T num(int i){ T res = sum(i); if(i != 1)res -= sum(i - 1); return res; } }; vector<vector<int>> G; vector<int> eul, dep; void dfs(int v, int p){ eul.pb(v); for(auto nv : G[v]){ if(nv == p)continue; dep[nv] = dep[v] + 1; dfs(nv, v); } eul.pb(v); } int main(){ int n; cin >> n; G.resize(n); dep.resize(n); vector<int> p(n - 1); rep(i, n - 1)cin >> p[i]; rep(i, n - 1){ p[i]--; G[i + 1].pb(p[i]); G[p[i]].pb(i + 1); } int q; cin >> q; vector<int> U(q), D(q); rep(i, q)cin >> U[i] >> D[i]; //Dごとに管理する vector<vector<P>> qry(n + 1); rep(i, q){ U[i]--; qry[D[i]].pb(P(U[i], i)); } dfs(0, -1); //dep[v] -> v vector<vector<int>> rdep(n + 1); rep(i, n){ rdep[dep[i]].pb(i); } //vを根とする部分木に対応する区間を持つ vector<int> L(n, -1), R(n); rep(i, sz(eul)){ if(L[eul[i]] == -1)L[eul[i]] = i; R[eul[i]] = i; } BIT<int> bit(sz(eul)); vector<int> res(q); REP(i, 0, n){ //bitに深さiの点を加える for(auto v : rdep[i]){ bit.add(L[v] + 1, 1); } //クエリ処理 for(auto qi : qry[i]){ auto [ui, id] = qi; res[id] = bit.sum(R[ui] + 1); if(L[ui] > 0)res[id] -= bit.sum(L[ui]); } //足した分引く for(auto v : rdep[i]){ bit.add(L[v] + 1, -1); } } for(auto ri : res)cout << ri << endl; }